Micro USB Otg HUB HUB One Otg HUB with Power One Tow Three - Black

Special note:
-- --MICRO USB power port is not used to charge mobile phones, but to supply power to external devices. Don't mistake it as providing power to both mobile phones/tablets and OTG external devices.(the power supply interface is designed as MICRO USB and android universal interface. You can use the charging cable of android phone to plug in the power supply.)
-- -please confirm whether your mobile phone/tablet has OTG function by yourself. Don't think that you can realize OTG function such as external usb flash disk with this interface.
-- -suitable for high-power OTG external connection device, to avoid the situation of insufficient power supply of OTG. More specifically, when the external storage with high power consumption or USB external connection device supported by OTG fails to work, when the power provided by mobile phone or tablet fails to meet the demand, USB extra power supply is provided to ensure the normal operation of OTG.