Removable USB 3.1 storage medium that allows data to be written and erased as many times as is required ,- Enables extremely fast data transfer through USB 3.0 technology (up to 200 MB/s) ,- Especially durable plastic casing with a retractable USB connector ,- Downward compatible with USB 3.0 and 2.0 ,- Includes SanDisk SecureAccess software (download necessary): protects your private files in an encrypted, password protected folder (128-bit AES encryption) , ,System Requirements: ,Windows 10/8/7/Vista, Linux, MacOS X version 10.1.2 or higher