Newkeen 2-Pack micro usb to usb otg adapter otg function Turn into Phone usb Flash Drive Mobile Phone Adapters (2-Pack OTG) PLEASE NOTE: This adapter will only work with devices that support USB OTG. Please consult your documentation and/or your service provider to ensure that your device does support USB OTG functionality. Supports all OTG and U disk, the stability is stronger and faster, easy to achieve expansion and two-way data transmission Transfer files to OTG , Allow you to connect to most USB Flash Drive,Mouse, Keyboard and some digital cameras etc. Through the USB MICRO interface, Unibody, small size, easy to carry PERFECT AFTER-SALE SERVICE: Lifetime warranty, whether products or our service let you have any not satisfied, please don't hesitate to contact us, we will be sure to make you satisfied. Offer 100% REFUND and RETURN!