4in1 USB 2.0 Micro to 3 A Female + 1 Micro Port Adapter Extension OTG Power Hub ConnectorUSB 2.0 micro male to 3*A female+1 micro female.Backwards compatible with USB 2.0 , 1.1 , 1.0. Plug and play.Support SamSung S4/Note3/ThinkPad 8 achieve OTG mode,charging mode simultaneously,switch should be placed "Charge". When switch is placed"OTG",the phone can read three external USB devices simultaneously.1 Micro USB Male to 1 Micro USB female for charging and 3 USB 2.0 Female for external device. Low power consumption.Fully molded design provides durability.Color:Black. Support Galaxy S2,SamSung Galaxy Note,SamSung Galaxy S3/S4/S5,Galaxy Tab3 8.0,Sony Xperia NX-02D,Sony Xperia acro HDIS12S,Toshiba REGZA phone-T01D,and Sony S-series Tablet.Other android models.