* Special revolving USB Disk * With key-ring handy 1)Support the USB 1.1/2.0 connection, supports hotly inserts dials, namely it can be used as soon as connected with the inserts 2) Port: USB 2.0 3) Capacity:128M, 256M, 512M, 1G,2G 4) Data Retention: over 10 years 5) Operating Current : < 40mA 6) Reading speed: 15MBps Writing speed: 8MBps 7) Operating Temperature:－20℃ ~ 70℃ 8) Wetting Temperature : 5% ~ 90% 9) Size:53*13*7mm 10)G.W.:0.1KG