Micro USB Charging OTG Hub Splitter Cable For Smart Phone Android Tablet 4 In 1

The USB interface can be connected to the U disk, mouse, keyboard, gamepad, printers and other USB devices simultaneously. When the switch is in 'Charge', achieved through an external power supply to charge the phone function. For most Android models OTG USB HUB data exchange or charging mode When the switch is placed 'OTG', the phone can read three external USB devices simultaneously.