Type: ET-F1*10Pack

Capacity: 4G

Interface: USB 2.0

Read Speed：18-25MB/s

Write Speed：6-10MB/s

Material：Plastic

Color：White*2/ Black*2/ Pink*2/ Blue*2/ Red*2

Size (LxWxH) : 39.5*12.4*4.5mm

Weight: 19g

System：For WinXP/7/8/10, Linux2.4.X, for Mac OS 9.X or Higher Version