Protection for your lenses.
Product Description
Lens Protector for the lens of ONE X2
IMPORTANT NOTES
1) Before use, make sure lenses are clean and dry.2) Upon removing the Lens Guards, apply new adhesives before placing back on your ONE X2. If needed, replacements can be bought from the Insta360 store.3) The Lens Guards are splash-proof, but are not designed for underwater use. Use the Dive Case for underwater shooting instead.4) To remove the Lens Guards use the provided Prying Tool. Take care not to scratch the lenses as you remove the Lens Guards.
Product Specifications
PRODUCT SPECIFICATIONS
Main Material: PC-1250YWeight: 1.5gDimensions: 33.5 x 7.66mm
In The Box
IN THE BOX
Lens Guard x 2Double-sided Adhesives x 6Prying Tool x 1
Max out your stabilization and field of view with the Max Lens Mod—combining unbreakable Max HyperSmooth stabilization with an ultra-wide 155˚ FOV digital lens.
Product Description
Max out your stabilization and field of view with the Max Lens Mod. It instantly upgrades your HERO9 Black with Max HyperSmooth for unbreakable video stabilization up to 2.7K60 and an ultra-wide 155˚ FOV digital lens—the widest ever on a HERO camera. Powerful horizon lock keeps both horizontal and vertical shots level and steady even if your camera is mounted off-center or rotates a full 360° while recording.
Max HyperSmooth for unbreakable video stabilization up to 2.7K60
Ultra-wide angle 155˚ FOV for enhanced perspective and improved depth of field
Horizon lock keeps your videos on the horizontal or vertical axis, even if your camera is mounted off-center or rotates a full 360°
Max Timewarp for our smoothest TimeWarp video yet.
Waterproof to 5M when installed on HERO9 Black1
Easy, tool-free installation and removal
1Max Lens Mod is waterproof, but is not recommended for underwater use due to image distortion.
Secure and reliable portable storage with USB 3.0 performance and high capacities make it ideal for all your photos videos music and other files. The included SanDisk SecureAccess software provides password-protection to keep private files secure while leaving the rest of the drive available for sharing while the retractable design safeguards the USB 3.0 connector when the drive is not in use.
Secure and reliable portable storage with USB 3.0 performance and high capacities make it ideal for all your photos videos music and other files. The included SanDisk SecureAccess software provides password-protection to keep private files secure while leaving the rest of the drive available for sharing while the retractable design safeguards the USB 3.0 connector when the drive is not in use.
Secure and reliable portable storage with USB 3.0 performance and high capacities make it ideal for all your photos videos music and other files. The included SanDisk SecureAccess software provides password-protection to keep private files secure while leaving the rest of the drive available for sharing while the retractable design safeguards the USB 3.0 connector when the drive is not in use.
Secure and reliable portable storage with USB 3.0 performance and high capacities make it ideal for all your photos videos music and other files. The included SanDisk SecureAccess software provides password-protection to keep private files secure while leaving the rest of the drive available for sharing while the retractable design safeguards the USB 3.0 connector when the drive is not in use.
Necessity Meets Desire
Combine the necessity for a convenient way to store and move your data with your desire for a protective elegant device. With fast transfer speeds up to 150MB/s the all-metal Ultra Luxe USB 3.1 Gen 1 flash can transfer a full-length movie in less than 30 seconds so you can spend less time waiting and more time on doing. And with up to 512GB of space its durable cast metal design holds all your important content in beautiful form. The Ultra Luxe flash drive has SanDisk SecureAccess password protection software built in and comes with a 5-year limited warranty for added peace of mind.
Product Details
Enduring style
An all-metal design combines durability with a practical form to provide an elegant way to help keep your most important files safe and close by. USB 3.1 Gen 1 Speeds
Transfer speeds up to 150MB/s let you quickly back up your content so you can be ready to go in no time. Transfer a full-length movie to drive in less than 30 seconds. Up to 512GB Of capacity
Up to 512GB of capacity gives you enough space to always keep your most important content close by. Password protection
Built-in SanDisk SecureAccess password protection software provides a dependable way to help keep your content safe. Easy file recovery
RescuePRO Deluxe file recovery software helps you restore files even if they're accidentally lost or deleted.
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Necessity Meets Desire
Combine the necessity for a convenient way to store and move your data with your desire for a protective elegant device. With fast transfer speeds up to 150MB/s the all-metal Ultra Luxe USB 3.1 Gen 1 flash can transfer a full-length movie in less than 30 seconds so you can spend less time waiting and more time on doing. And with up to 512GB of space its durable cast metal design holds all your important content in beautiful form. The Ultra Luxe flash drive has SanDisk SecureAccess password protection software built in and comes with a 5-year limited warranty for added peace of mind.
Product Details
Enduring style
An all-metal design combines durability with a practical form to provide an elegant way to help keep your most important files safe and close by. USB 3.1 Gen 1 Speeds
Transfer speeds up to 150MB/s let you quickly back up your content so you can be ready to go in no time. Transfer a full-length movie to drive in less than 30 seconds. Up to 512GB Of capacity
Up to 512GB of capacity gives you enough space to always keep your most important content close by. Password protection
Built-in SanDisk SecureAccess password protection software provides a dependable way to help keep your content safe. Easy file recovery
RescuePRO Deluxe file recovery software helps you restore files even if they're accidentally lost or deleted. 5-Year Limited Warranty
Discover More
SanDisk Ultra Dual Drive Luxe USB Type-C Flash Drive Full Life Not Full Storage Product Description Looking for storage that works across your USB Type-C and Type-A devices? The all-metal SanDisk Ultra Dual Drive Luxe lets you easily move files between your USB Type-C smartphone tablets and Macs and USB Type-A computers.2 Now you can take even more photos and access them across all your devices. The all-metal 2-in-1 flash drive for your USB Type-C and Type-A devices Shoot photos on your USB type-C smartphone and need those on your PC? We got you. The top-end SanDisk Ultra Dual Drive Luxe lets you seamlessly move files between your USB Type-C smartphone tablets and Macs and USB Type-A computers.2 Features The all-metal 2-in-1 flash drive for your USB Type-C and Type-A devices
Free up space to take more photos
Automatic backup is just a plug-in away
Quickly move files to your computer
Swivel design to protect connectors
Specifications
Capacity
32GB
Interface
USB 3.1 Gen 1
Connector
USB 3.1 Type-C
SanDisk Ultra Dual Drive Luxe USB Type-C Flash Drive Full Life Not Full Storage Product Description Looking for storage that works across your USB Type-C and Type-A devices? The all-metal SanDisk Ultra Dual Drive Luxe lets you easily move files between your USB Type-C smartphone tablets and Macs and USB Type-A computers.2 Now you can take even more photos and access them across all your devices. The all-metal 2-in-1 flash drive for your USB Type-C and Type-A devices Shoot photos on your USB type-C smartphone and need those on your PC? We got you. The top-end SanDisk Ultra Dual Drive Luxe lets you seamlessly move files between your USB Type-C smartphone tablets and Macs and USB Type-A computers.2 Features The all-metal 2-in-1 flash drive for your USB Type-C and Type-A devices
Free up space to take more photos
Automatic backup is just a plug-in away
Quickly move files to your computer
Swivel design to protect connectors
Specifications
Capacity
128GB
Interface
USB 3.1 Gen 1
Connector
USB 3.1 Type-C
Sandisk Extreme Micro SDXC 128GB 160MB/s C10 U3
Fast enough to keep up with the action
Product Description Get extreme speeds for fast transfer app performance and 4K UHD. Ideal for your Android smartphone action cameras or drones this high-performance microSD card does 4K UHD video recording Full HD video and high-resolution photos. The super-fast SanDisk Extreme microSDXC memory card reads up to 160MB/s and writes up to 90MB/s.* Plus it's A2-rated so you can get fast application performance for an exceptional smartphone experience.
Features
Read speeds up to 160 MB/s write speeds up to 90 MB/s and minimum write speeds of 30 MB/s
Class 10 App Performance Class 2 (A2) Video Speed Class 30 (V30) and UHS Speed Class 3 (U3)
Water / temperature / shock / x-ray proof
SanDisk Memory Zone included
RescuePRO Deluxe one-year file recovery software (download offer)
SD adapter included
128GB Storage Capacity
A2 / UHS-I / V30 / U3 / Class 10
Max Read Speed: 160 MB/s
Max Write Speed: 90 MB/s
SanDisk Extreme Micro SDXC 256GB Actioncam 160MB Product Description Get extreme speeds for fast transfer app performance and 4K UHD. Ideal for your Android smartphone action cameras or drones this high-performance microSD card does 4K UHD video recording Full HD video and high-resolution photos. The super-fast SanDisk Extreme microSDXC memory card reads up to 160MB/s and writes up to 90MB/s. Plus it's A2-rated so you can get fast application performance for an exceptional smartphone experience.
Specification
Capacity
256 GB
Read Speed
up to 160 MB/s
Write Speed
up to 90 MB/s
Form Factor
microSDXC
Sandisk Extreme Micro SDXC 64GB 160MB/s C10 U3
Fast enough to keep up with the action
Product Description Get extreme speeds for fast transfer app performance and 4K UHD. Ideal for your Android smartphone action cameras or drones this high-performance microSD card does 4K UHD video recording Full HD video and high-resolution photos. The super-fast SanDisk Extreme microSDXC memory card reads up to 160MB/s and writes up to 90MB/s.* Plus it's A2-rated so you can get fast application performance for an exceptional smartphone experience.
Features
Read speeds up to 160 MB/s write speeds up to 90 MB/s and minimum write speeds of 30 MB/s
Class 10 App Performance Class 2 (A2) Video Speed Class 30 (V30) and UHS Speed Class 3 (U3)
Water / temperature / shock / x-ray proof
SanDisk Memory Zone included
RescuePRO Deluxe one-year file recovery software (download offer)
SD adapter included
128GB Storage Capacity
A2 / UHS-I / V30 / U3 / Class 10
Max Read Speed: 160 MB/s
Max Write Speed: 90 MB/s
Sandisk Extreme Micro SDHC 32GB 100MB/S C10 U3
Perfect for recording and watching Full HD video
Product Description Capture more fast action and record more Full HD or 4K Ultra HD-ready video with your Android based smartphone or MIL camera. SanDisk Extreme cards are built tough for extreme durability even under challenging environmental conditions. Fast write speeds reduce the time you're on hold while your pictures and videos move to your card or from your card to your computer. Storage capacities from 16GB to 64GB expand device memory and leave room to record video that's ready for the new 4K Ultra HD television screens and monitors.
Features
Built for extreme conditions temperature proof water proof shock proof and x-ray proof
Delivers 4K Ultra HD and Full HD video recording and playback
Meets the new UHS Speed Class 3 (U3) specification
Transfer faster with speeds up to 60MB
Sandisk Extreme Pro 32GB Micro SD Card
Dramatically Reduces Your Transfer Time
Performance Clocking in at up to 275MB/s the SanDisk Extreme PRO microSDXC UHS-II Card delivers the fastest transfer speeds that you've ever experienced. So offloading content from your card is a snap. And the time you would have spent waiting for files to transfer goes back into your day. Security The card comes with a RescuePRO Deluxe data recovery software download offer. This software makes it easy to recover files that have been accidentally deleted (download required). Compatibility Compatible with microSDHC microSDXC microSDHC UHS-I microSDXC UHS-I microSDHC UHS-II and microSDXC UHS-II supporting action camera interchangeable-lens camera drone smartphone and tablet host devices Extreme durability SanDisk Extreme PRO microSDXC UHS-II Cards are shockproof temperature-proof waterproof and X-ray-proof4 so you can enjoy your adventures without worrying about the durability of your memory card.
Specifications:
Capacity:
32 GB
Transfer Speed:
up to 275 MB/s
Form Factor:
Mircro SD
Video Speed:
C10 U3
Sandisk Extreme Pro 64GB Micro SDXC Card
Dramatically Reduces Your Transfer Time
Product Description Get extreme speeds for fast transfer app performance and 4K UHD. Ideal for your Android smartphone action cameras or drones this high-performance microSD card does 4K UHD video recording Full HD video and high-resolution photos. With up to 400GB the super-fast SanDisk Extreme PRO microSDXC UHS-I memory card reads up to 170MB/s and writes up to 90MB/s. Plus itÕs A2-rated so you can get fast application performance for an exceptional smartphone experience.
Specifications:
Capacity:
64 GB
Read Speed:
up to 170 MB/s
Write Speed:
up to 90 MB/s
Form Factor:
Mircro SDXC
Video Speed:
C10 U3 V30
Where top speeds meet high capacity
SanDisk Extreme® PRO microSDXC™ UHS-I CARD 128GB 200MB/S
Improve your workflow efficiency With SanDisk QuickFlow Technology9, this card optimizes performance for timesaving media offloads with quick read speeds up to 200MB/s8 (64GB - 1TB). Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately).Write speeds of up to 140MB/SCapture fast-action photos or shoot 4K UHD video2 with write speeds of up to 140MB/s.8 The SanDisk Extreme PRO microSDXC UHS-I Card lets you shoot more and faster.Great for capturing 4K UHD videoIdeal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB1, the SanDisk Extreme PRO microSD UHS-I card lets you capture uninterrupted 4K UHD2 and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.4Load apps faster with A2Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme PRO microSD card’s A25 Specification.Durable design for use in extreme environmentsSanDisk Extreme PRO microSDHC™ and microSDXC™ UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof,3 so you can enjoy your adventures without worrying about the durability of your memory card.
Specifications
Capacity: 128 GBCombatibility: Compatible with SDXC and SDXC UHS-I enabled host devices.Dimensions (L x W x H): 10.92mm x 14.99mm x 1.02mmSequential Read Performance: up to 200MB/s Sequential Write Performance: up to 90MB/s
Disclosures
Not all devices support microSDXC memory card formats. Check with your device manufacturer for more details. 1.1GB=1,000,000,000 bytes. Actual user storage less.2.Compatible device required. Full HD (1920x1080) and 4K UHD (3840 x 2160) support may vary based upon host device, file attributes and other factors. See www.sandisk.com/HD3.Card only. See www.sandisk.com/proof for additional information and limitations.4.UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices. See www.sdcard.org/consumers/speed.5.For 64GB-1TB ONLY: A2 performance is 4000 read IOPS, 2000 write IOPS. For 32GB: A1 performance is 1500 read IOPS, 500 write IOPS. Results may vary based on host device, app type and other factors.6. Registration required; terms and conditions apply. 7. www.sandisk.com/wug8.For 256GB-1TB: Up to 200MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Up to 140MB/s write speeds. For 64GB-128GB: Up to 200MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. For 32GB: Up to 100MB/s read speeds; up to 90MB/s write speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes.9. SanDisk® QuickFlow™ Technology is only available for 64GB, 128GB, 256GB, 512GB, and 1TB capacities.
Sandisk Extreme Pro 256GB Micro SDXC Card
Dramatically Reduces Your Transfer Time
Product Description Get extreme speeds for fast transfer app performance and 4K UHD. Ideal for your Android smartphone action cameras or drones this high-performance microSD card does 4K UHD video recording Full HD video and high-resolution photos. With up to 400GB the super-fast SanDisk Extreme PRO microSDXC UHS-I memory card reads up to 170MB/s and writes up to 90MB/s. Plus itÕs A2-rated so you can get fast application performance for an exceptional smartphone experience.
Specifications:
Capacity:
256 GB
Read Speed:
up to 200 MB/s
Write Speed:
up to 90 MB/s
Form Factor:
Mircro SDXC
Video Speed:
C10 U3 V30
Sandisk Extreme Pro 32GB CF Memory Card This industry-leading memory card is optimized for professional-grade video capture with a minimum sustained write speed of 65MB/s1 for rich 4K and Full HD video. Performance 32GB Extreme Pro CompactFlash memory card features enhanced data with up to 160 mb/s read speed and up to 150 mb/s write speed. Applications Store a variety of digital formats including RAW and JPEG photos Full HD videos music and more. Video Performance Guarantee enabled ensuring a smooth flow of data keeping video streams crisp and clean. Security Built-in write-protect switch prevents accidental data loss. Compatibility Compatible with CompactFlash supporting host devices. Extreme durability ItÕs built to withstand weather water shocks and other less-than-ideal conditions so you can rest assured that itÕs good to go wherever your work takes you. Specifications Capacity: 32 GB Read Speed: up to 160 MB/s* Write Speed: up to 150 MB/s* Form Factor: CompactFlash Video Speed: VPG-65
Sustained Performance For Any Situation Ideal for use with mid-range to high-end DSLR cameras and HD camcorders the SanDisk Extreme CompactFlash Memory Card delivers first-rate read/write speeds to catch fast action shots and enable quick file transfers. This memory card features Video Performance Guarantee (VPG-20) to deliver a minimum sustained recording data rate of 20MB/s to support high-quality Full HD video (1080p) recording. Take advantage of burst-mode photography with the card's write speeds of up to 85MB/s (567X) and enjoy efficient workflow with its transfer speeds up to 120MB/s. With capacities up to 128GB this memory card provides plenty of storage for Full HD videos and RAW photos. Features Exceptional shot to shot performance With write speeds of up to 85MB/s the SanDisk Extreme CompactFlash Memory Card adds to your mid-range to-high-range DSLR's performance during burst-mode shooting rapid shots and RAW plus JPEG capture. The card records photos almost instantly ensuring you will catch your best shot. Read speeds of up to 120MB/s make transferring images to your computer fast and simple. Professional-grade video capture Featuring a Video Performance Guarantee (VPG-20) profile specification the SanDisk Extreme CompactFlash memory card can keep up with the steep memory demands of professional video equipment such as HD camcorders. The card's VPG-20 ensures data transfer between card and camera with a sustained data recording rate of 20MB/s for a smooth and unbroken video stream. You'll be able to record in resolutions as high as 1080p without skipped frames. Durable design SanDisk Extreme CompactFlash Memory Cards are designed to handle whatever life throws at you. This card is backed by rigorous stress shock and vibration testing and includes RTV silicone coating for protection against shock and vibration. It operates in nearly any climate with a functioning temperature range of -13 to 185 degrees Fahrenheit. High storage capacity The SanDisk Extreme CompactFlash memory card offers plenty of space to store high-resolution photos and Full HD videos. With capacities up to 128GB the card can store thousands of photos and hours of video.
Sustained Performance For Any Situation Ideal for use with mid-range to high-end DSLR cameras and HD camcorders the SanDisk Extreme CompactFlash Memory Card delivers first-rate read/write speeds to catch fast action shots and enable quick file transfers. This memory card features Video Performance Guarantee (VPG-20) to deliver a minimum sustained recording data rate of 20MB/s to support high-quality Full HD video (1080p) recording. Take advantage of burst-mode photography with the card's write speeds of up to 85MB/s (567X) and enjoy efficient workflow with its transfer speeds up to 120MB/s. With capacities up to 128GB this memory card provides plenty of storage for Full HD videos and RAW photos. Features Exceptional shot to shot performance With write speeds of up to 85MB/s1 the SanDisk Extreme CompactFlash Memory Card adds to your mid-range to-high-range DSLR's performance during burst-mode shooting rapid shots and RAW plus JPEG capture. The card records photos almost instantly ensuring you will catch your best shot. Read speeds of up to 120MB/s2 make transferring images to your computer fast and simple. Professional-grade video capture Featuring a Video Performance Guarantee (VPG-20) profile specification the SanDisk Extreme CompactFlash memory card can keep up with the steep memory demands of professional video equipment such as HD camcorders. The card's VPG-20 ensures data transfer between card and camera with a sustained data recording rate of 20MB/s for a smooth and unbroken video stream. You'll be able to record in resolutions as high as 1080p without skipped frames. Durable design SanDisk Extreme CompactFlash Memory Cards are designed to handle whatever life throws at you. This card is backed by rigorous stress shock and vibration testing and includes RTV silicone coating for protection against shock and vibration. It operates in nearly any climate with a functioning temperature range of -13 to 185 degrees Fahrenheit. High storage capacity The SanDisk Extreme CompactFlash memory card offers plenty of space to store high-resolution photos and Full HD4 videos. With capacities up to 128GB the card can store thousands of photos and hours of video.
The SanDisk Extreme SD UHS-I memory card delivers performance that lets you take control of your creativity. With shot speeds of up to 70MB/s and UHS speed Class 3 (U3) recording youÕre ready to capture stunning high-resolution stutter-free 4K UHD video1. Its 150MB/s transfer speeds mean you can quickly move your photos where you want them. Plus itÕs built to withstand weather water shocks and other less-than-ideal conditions so you can rest assured that itÕs good to go wherever you go. Specifications Capacity: 128 GB Read Speed: up to 150 MB/s Write Speed: up to 70 MB/s Video Speed: C10 U3 V30 Form Factor: SDXC
Perfect for 4k UHD Video and Sequential Burst Mode Photography The SanDisk Extreme SD UHS-I memory card delivers performance that lets you take control of your creativity. With shot speeds of up to 70MB/s and UHS speed Class 3 (U3) recording youÕre ready to capture stunning high-resolution stutter-free 4K UHD video1. Its 150MB/s transfer speeds mean you can quickly move your photos where you want them. Plus itÕs built to withstand weather water shocks and other less-than-ideal conditions so you can rest assured that itÕs good to go wherever you go. Features Shot speeds up to 70MB/s Perfect for capturing the action as it happens without missing a beat. Transfer Speeds up to 150MB/s Accelerated transfer speeds so you can find your best shot faster. Perfect for 4k UHD Video Sometimes speed is what you need. The SanDisk Extreme SD UHS-I card delivers the performance to capture stunning uninterrupted 4K UHD video. Stunning sequential burst mode shots Rated UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) the SanDisk Extreme SD UHS-I card lets you capture sequential burst mode shots without missing a beat.
Extreme speeds for burst shooting fast transfer and 4K UHD
Extreme speeds to catch your best shots. UHS Video Speed Class 30 (V30) and UHS Speed Class 3 (U3) allow you to record in 4K UHD taking your videos to next-level resolution. Available in a storage capacities of 32GB-256GB and with read speeds of up to 90MB/s for fast transfer these cards are compatible with SDHC and SDXC supporting devices.
Features
Extreme write speeds of up to 60MB/s Capture shots quickly with write speeds of up to 60MB/s. SanDisk Extreme SDHC and SDXC UHS-I Cards let you shoot multiple frames per second making it an ideal choice for fast-action or continuous burst mode photography. Maximize efficiency with up to 90MB/s read speeds With extremely fast read speeds of up to 90MB/s this memory card lets you transfer high-resolution images or 4K UHD videos from your DSLR or camcorder to your computer without a long wait. 4k UHD Ready With UHS Video Speed Class 30 (V30) for 32GB-256GB cards and UHS Speed Class 3 (U3) ratings the SanDisk Extreme SDHC and SDXC UHS-I Cards let you capture uninterrupted 4K UHD and Full HD video. This makes it ideal for recording outdoor adventures weekend trips or sporting events without dropping frames. Easy file recovery with rescuepro deluxe software The card comes with a RescuePRO Deluxe data recovery software download offer. This software makes it easy to recover files that have been accidentally deleted (download required).
Specifications Capacity: 32GB Performance/speed: Up to 90MB/s* read speeds SDXC card dimension: 0.94 inch x 1.25 inch x 0.08 inch (24Êmm x 32Êmm x 2.1Êmm) Operating temperature:ÊÐ13¼F to 185¼F (-25¼C to 85¼C) Storage temperature:ÊÐ40¼F to 185¼F (-40¼C to 85¼C) Compatibility: For SDHC (16Ð32GB) cardsÊÐ compatible with all SDHC/SDXC and SDHC-I/SDXC-I (UHS-I) enabled host devices. For SDXC (64Ð256GB) cardsÊÐ compatible with SDXC and SDXC-I (UHS-I) enabled host devices. Security: Built-in write-protect switch prevents accidental dataÊloss