Features:1) Standard USB interface and USB extension cord included (1 meter) 2) Sleek design, very lightweight (this is not a bulky watch) 3) Plug and play, easy operation (appears as a USB mass storage device) 4) Can be password protected using included software 5) Can be used as a boot disk 6) LED indicator light shows device connectivity and data transfer7) Operating Systems: Win 98, ME, 2000, XP, Linux 2.4 or higher,Mac OS 8.6 or higher8) Reading speed: 1000KB/sec. Writing: 920KB/sec 9) Shock proof and Anti-static10) Water resistant to 20 meters (let USB connector dry before using) 11) Japanese movement with 3-year battery life 12) Memory size: 512MB, 256MB, 128MB13) Weight: 1.5 oz (43 grams) 14) Dimensions: 1.5" width x .375" thick (watch face) 15) Two-year manufacturer warranty