Specification : * Storage Capacity 16GB/ 32GB/ 64GB * Interface USB 2.0 * USB Connector USB Type A * Dimensions (L × W × H) L 38 mm x W 17 mm x H 8.5 mm * Weight 7 g * Operating Temperature 0°C to 60°C * Storage Temperature -25°C to 85°C * System Compatibility Windows 7 , 8, Mac OS 10.3 and above * Operating Voltage Vcc Power 4.5~5.5 VDC * Warranty 2-year Limited Warranty