SODIAL(R) Protective Leather Case + Mini USB Keyboard for 7 inch 7" Tablet PC Black Leather carrying case is equipped with full working keyboard. Connects to your 7" tablet via mini USB interface. Durable leather construction with secure magnetic closure. With an extendable stand to support your Tablet PC. Come with a pen and a mini USB cable. Press the "Num Lock" key to unblok the keyboard when you use it . Attention: This product does not compatible with the kindle fire series, and it was connect via mini USB cable.