1. Standard USB interface and USB extension cord included(1 meter) sleek design 2. Very lightweight(this is not a bulky watch) plug and play, easy operation(appears as a USB mass storage device) 3. Can be password protected using included software can be used as 4. A boot disk LED indicator light shows device connectivity and data transfer 5. Operating systems: Win 98, ME, 2000, XP, Linux 2. 4 or higher, Mac OS 8. 6 6. Higher reading speed: 1000KB/sec. Writing: 920KB/sec shock proof and anti-static water resistant to 20 meters(let USB connector dry before using) 7. Japanese movement with 3-year battery life 8. Memory size: 64MB, 128MB, 256MB, 512MB,1024MB