1) U disk capacity: 4GB
2) Transfer speed: 10-24M / s (actual speed and computer configuration)
3) U disk interface type: USB 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) Material: Silicone
