Product Name:  2 in 1 USB OTG Card Reader Universal 2.0 USB OTG TF/SD Card Reader Phone Extension Headers USB OTG Adapter For Android
USB interface : micro usb / usb
Support : SD card / micro SD card
Product Dimensions : 51.5 x 19 x 11 mm (L x W x H)
A transmission interface :. USB2.0 (micro USB 5pin) + USB A Male
Chipset : ITE1327
Slots : 2 slots (SD + micro SD)
Transmission speed :. USB2.0 transfer 480Mb / s ( standard value )
Material :. ABS
Color: sent at random
Operating system : Android 4.2 or later , as the HOST interfaces , Only support for OTG function smart phones and tablet .
supports PC operating systems : fOR Windows 2000,2003, XP, Vista, 7, Mac 10.45 or more above and Linux 2.4 operating system .