HIGH-SPEED PERFORMANCE With write speeds of up to 150MB/s, the SanDisk Extreme® Go USB 3.1 Flash Drive is 35X faster than standard USB 2.0 drives so you can transfer a full-length 4K movie in less than 40 seconds or 1000 photos in less than 60 seconds. RETRACTABLE DESIGN The USB connector retracts to keep it safe when you're not using it. USB 3.1 ENABLED, YET BACKWARD-COMPATIBLE The SanDisk Extreme Go USB 3.1 Flash Drive is backward-compatible so you can plug it into any USB 2.0 or 3.0 port. SANDISK SECUREACCESS SOFTWARE PROTECTS YOUR PRIVACY Create a private folder on your drive with SanDisk SecureAccess software. This 128-bit AES encryption software makes it easy to password-protect critical files. Drag and drop files into the vault, and they'll be protected. EASY FILE RECOVERY WITH RESCUEPRO DELUXE SOFTWARE The drive 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).