Capacitie range: 128MB 256MB 512MB 1GB 2GB 4GB 8GB 16GB 32GB 64GB 
. Hi-speed USB 2.0 certified Compatible with USB 1.1
. OperationSystem:Windows 98 \ ME \ 2000 \ XP, the Linux 2.4.x win7 
. Endurance: 1000000 times rewritable
. Plug and play without need of any extra power supply 
. Data retention: over 10 years
. Working voltage: 5V 
. Operating temperature: -20 to +70°C
. Operating humidity: 5 to 90% RH

Thousands of models for the USB existing here, with portable, interesting and fashional design.Every product would be tested well before shipping, Please be rest assured that there would be No Fake, No Upgrade USB shipped to you.