Compatible with Your Devices SanDisk cards are compatible with action cameras, interchangeable-lens cameras, drones and smartphones. SanDisk Extreme PRO microSDXC UHS-II Cards are backwards-compatible with UHS-I host devices, performing up to UHS-I speeds allowed by the host device. Smartphones will be backwards compatible with UHS-II The World’s Fastest Transfer Speeds of up to 275MB/s Clocking in at up to 275MB/s, the SanDisk Extreme PRO microSDXC UHS-II Card delivers the fastest transfer speeds. So offloading content from your card is easy and fast. 4K UHD and Full HD Video Capture This card\'s Class 10 and UHS Speed Class 3 (U3) ratings allow you to record smooth Full HD or 4K UHD video. This means your videos can meet the latest high-resolution standards and will look stunning on 4K UHD TV screens and monitors. USB 3.0 Reader Included Use the included USB 3.0 reader for convenient transfers to your laptop or computer. 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). Durable Design for Use in Extreme Environments SanDisk Extreme PRO microSDXC UHS-II Cards are shockproof, temperature-proof, waterproof, and X-ray-proof, so you can enjoy your adventures without worrying about the durability of your memory card. Key Features - Transfer speeds of up to 275MB/s - Records Full HD and 4K UHD video - USB 3.0 reader included - RescuePRO Deluxe data recovery software - Shock-, temperature-, water-, and X-ray-proof Related Articles Manage memory on your phone with the Sandisk app. Here is how.