Efanr 4 in 1 Micro USB OTG Cable Adapter, Micro USB Hub USB OTG Extension Adapter for Samsung Galaxy S6 S6 Edge S5 S4 S3 Note 4 Note 3 Note2, LG G4 G3 G2, HTC ONE M9 M8 M7, Sony Xperia Z1 Z2 Z3 Compact, Google Nexus 4 5 6 7 9 10,Moto G X and other Android Tablet Pc and Smartphones With this OTG HUB, you can connect your device to most USB Flash Drive, Mouse & Keyboard. OTG port provides a simple way to connect phone to a USB capable computer for data synchronization and file transfers. 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 Support data synchronize when charging For Galaxy S4 , Note 3