1,USB 2.0 T-Flash Card Reader
2,Support SD/MMC/SDHC/TF/Micro SD
3,Working temperature: -20 to 65c

T-Flash Card Reader with Plug-and-play Function
Slim and pocket size
Compliance with USB 2.0 full-speed, 12Mbps and low-speed 1.5Mbps operations
For PCs, Notebooks with USB port
No external adapter required
Plug and Play fuction
Perfect for promotional purpose or as commercial gifts