Micro USB Male to USB Female OTG Adapter for USB Flash Drive OTG Devices Description: Mini size, easy to carry OTG Function allows you to transfer files from USB flash drivers and connect USB peripherals Easily back up essential files stored on your phone Stream movies and music from your external hard drive on your phone The OTG feature of your smart phone must be available so this OTG adapter will work Please make sure that your devices are Micro USB interface Package includes: 1 x JUWEI Micro USB Converter