64GB Sandisk USB 3.0 Ultra High Speed Flash Memory Drive up to 190MB/sec read and 170MB/sec write for Mac and PC 5V self powered Plug and Play- Hot Swappable- external media- portable drive 70mm x 21mm x 8.5mm retractable with SanDisk SecureAccess 128bit AES Encryption Vault and online backup protection with Compact and stylish design