1) U disk capacity: 4GB

2) Transfer speed: 10-24M / s (actual speed and computer configuration)

3) U disk interface type: USB 1.1 / 1.0 / 2.0

4) Storage media: flash memory

5) Operating System: General

6) Super quality and high performance

7) USB stable a grade flash chips

8) Color: as picture

9) It's great gift to your friends

10) USB plug and play without extra power supply