Interface Type: USB 2.0 

Capacity : 32 MB~256 GB

Chip Brand: Sandisk , Micron, Hynix, Toshiba Etc.

Support OS: WINDOWS 98SE/ME/2000/XP/LinUx2.4.X / Mac OS / Windows 10,Windows 8 / 7

USB 2.0 Chip Writing speed: 4-10MB/s

USB 2.0 chip reading speed: 10-20MB/s

Notification: All of chip or usb flash drives before shipped , they will  be tested by our QC Department and make sure each one can work well .