1) Storage Capacity: 1GB2GB4GB8GB16GB32GB2) Memory Type: Nand Flash Chip3) Interface Type: High-Speed USB 2.0 compliant, (backwards compatible with USB 1.1)4) Interfaces : 4 pin USB Type A5) OS system: Windows 7, Windows XP, Vista, Windows 2000, Linux Kernel 2.6.x or late , MAC OS 10.x or later6) Voltage communication range: 4.5V5.5V7) Low power consumption8) Data retention: more than 10 years