COMTOP 16GB Fashion Jewelry Bling Shiny Crystal Diamond pendant USB High speed Flash Memory Stick Pen Drive Disk Necklace with Mini Keychain PINK COLOR Compatible with all USB 1.1 USB 2.0 USB.3.0 devices At least 10 years of data retention with 1,000,000 times storage Store and share your MP3s, photos, games, documents and personal files Transferring rate up to 480 Mbit per second at high speed (Depends on different PC configuration)