Description: Interface: USB version 2.0 USB Service Voltage: 4.5V-5.5V Support WindowS 7, 2000 and XP without device drive Convenient to carry No need drive, only plug in No need power supply Specification: Compatible with USB 1.1/2.0 Writing Speed: 6M/S Reading Speed: 15M/S Max. read rate: 18MB Size: Approx. 42*24*23mm Material: PVC Package Includes: 1x Cartoon Finger Shape USB 2.0 Flash Memory Drive