Product Description

1. 100% brand new and high quality. 
2. It is an OTG product with card reader and 3 ports hub. 
3. No installation driver is needed, compatible with Win XP/Vista/7/8, Linux, Mac, Android. 
4. Used as normal card reader or usb hub, also links several devices (mouse / keyboard / flash disk / joystick) to the OTG Android smartphones or pads. 
5. Connect keyboard or mouse through OTG combo to your Android tablets, to work as small PC . 
6. Link several devices to your mobile phone or pad: card reader, support TF/SD card 
7. Extra micro USB port as power supply . 
8. Please ensure your phone / tablet PC has OTG (On-The-Go) function. 
9. Please note: SD card slot and TF card slot cannot be used at the same time. 
10. The 3 USB ports can only connect to low power consumption USB devices, like mouse, keyboard. 
11. Hard Disk and other large power consumption USB devices, such as hard disk are not recommended. 
12. The 3 USB ports and 1 card reader slot can be used at the same time, but in consideration of power consumption, it’s not suggested to use all 3 USB ports when the power of your devices in in low level.