C175 USB (Universal Serial Bus) drive is using USB (Universal Serial Bus) 31 interface Capacities are available from smallest 16GB to largest 128GB which can satisfy consumers' need for high-speed transfer & multimedia file storage the plug & play interface also makes file sharing easier than ever before Model C175 Colour Black Interface USB (Universal Serial Bus) 31 Memory Size 32GB Hot Plug Yes LED Reveal No Weight 15g Data transfer rate Read 25 M Bs Max ; Write 45 M Bs Max Accessories No Size (L x W x H)mm 549 x 205 x 95 Warranty Lifetime warranty