Features: Micro USB male to USB 2.0 A female OTG adapter cable, supports USB device to plug in,Allows you to connect USB keyboard to Fire TV Stick, for Amazon Fire TV Devices, Compatible with devices that support OTG . Convert all your standard USB A device to Micro USB device,micro USB female is Power supply function,can not for transfer data. Connect your peripheral devices like USB flash disk, mouse, keyboards, card reader, MP3, digital camera and more to your portable electronics such as cell phones, e-readers, tablets, and laptops with this converter adapter. Compatible with Micro USB powered mobile phones or tablets with OTG function, can be used to read U disk and other functions. Please ensure that if there is OTG function in your devices,Easy to install, plug and play. Specifications: Item Type: Micro USB OTG Converter Adapter cable Material: Plastic Color: Black Cable length: 19cm Mode:Micro USB Quantity: 1Pc (Adapter only, other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you 4.No retail package Package includes: 1 X OTG Converter Adapter cable