CHENYANG CY Micro USB 2.0 OTG Host Adapter with USB Power for Galaxy S3 S4 S5 Note2 Note3 Cell Phone & Tablet Left Angled 90 Degree Black Compatible with Samsung Galaxy S3 i9300 S4 i9500 Note2 N7100 Note3 N9000 & S5 i9600 and All Micro USB OTG function tablet/phone This USB Host adapter allows you to connect a USB memory stick, an USB 2.0 memory card reader, or a keyboard to your Tablet & Cell Phone. PC-free back up of videos and photos from Tablet & Cell Phone to an external memory stick in a convenient way.Connect to a keyboard for easier control of your Tablet & Cell Phone. The extral USB Cable is the Power for USB Device(Like usb hard disk, flash disk), Can not charge the Tablet & Cell Phone.(some standard USB 2.0 devices need to connect the extral usb power cable if they consume too much power) Left Angled 90 Degree Micro USB 2.0 OTG Host Adapter with USB Power