BESTRUNNER 1Pcs 16GB 16G Key USB 2.0 Flash Drive Waterproof Memory Thumb Storage Pen Disk SPECIAL DESIGN: Waterproof design, not afraid of water, after being wet, please dry with a towel/ tissue before use. EASY-TO-CARRY: Can put in a keychain/ wallet/ pocket and use it at any time you want! EASY-TO-USE: Easy to read and read in high speed ,No need drive/power supply only plug in. SUPPORT Windows 8, Windows 7, Windows Vista/ 2000 / ME, Mac OS 9.0 or later and Mac OS 10.1 or later. GREAT FOR ALL AGES AND PURPOSES: suitable for digital data storing, transferring and sharing in school, in family, to friends, to clients, to machines. Apply to data storage of music, photos, movies, designs, manuals, programmes, handouts etc.