VIPstore&reg; 3 in 1 USB OTG Cable Adapter & Micro USB Hub USB OTG Extension Adapter for Smartphone and Tablet Suitable but not limited for Samsung Galaxy S2, Samsung Galaxy Note, Samsung Galaxy S3/S4, Galaxy Tab3 8.0, Sony Xperla NX-02D, Sony Xperla acro HDIS12S.Toshiba REGZA Phone-TO1D, and Sony S-series Tablet. USB interface support USB devices such as USB flash disk, USB mouse, USB keyboard and etc. Supports supply extra power through micro USB port if necessary.(Please take note:Extra power only charge for accessories such as mouse keyboard etc,can not charge for smartphone or tablet) Only suitable for the devices which its micro-B USB connector enable USB 2.0 hostor USB OTG function. 1 Micro USB Male to 1 Micro USB female for charging and 2 USB 2.0 Female for external device