1)material:wooden 2)size:68*20*18mm 1) Capacity: 64MB-32GB2) USB Interface: USB2.0 (also compatible with USB1.1 and 1.0) 3) Data Retention: at least 10 years 4) Plug-and-Play function, without need of any extra power supply5) Compatible between different operating systems, windows2000/XP/VISTA or above6) Operating Temperature: -10 to 55 degree Celsius7) Storage temperature: -20 to 55 degree ...