Durable solid-state storage No external power is required 4.5V ~ 5.5V from USB port Support Win98/ME/2000/XP/Vista/7, Mac OS 9.X/Linux2.4 without device drive Support solution for Linux kernel version 2.4 or later version Driveless for OS 9X or up Compatible with USB 1.1/2.0 Operating Temp: -10 to +55Deg.C Storage Temp: -20 to +55Deg.C More Than 10 Years Data Retention capacity:2GB/4GB/8GB/16GB/32GB/64GB Speed: High-speed read and write 4GB Speed read 10M/S Speed write 3-4M/S 8GB Speed read 15M/S Speed write 3-6M/S 16GB Speed read 15M/S Speed write 6-10M/S 32GB Speed read 15M/S Speed write 6-10M/S Package included: 1XUSB flash drive