Low price High quality Good serivce Warranty: 10 years Usb2.0/1.1 interface Hot swapping plug & play High read/write speed Usb bus-powered, no external power required Capacity: 32mb, 64mb, 128mb, 256mb, 512mb, 1gb, 2gb, 4gb, 8gb, 16gb Led indication: flashing led for usb detection and data transmission Data retention: minimum 10 years Shock resistance: 1000g Operating temperature: 0 to 60 ( 32 to 140) Storage temperature: -20 to 60 ( -4 to 140) Driverless for windows me/xp/ 2000/vista, mac os 8.6 and linux 2.4.0 or above (drivers required for windows 98/98se) * os support for ace: windows 2000/xp/vista/windows 7 * the r/w speed may vary due to host hardware, software and usage Dimensions:53mm(long)¡á12mm(wide)¡á5mm(high) Weight:0.2g