Feature:1. COMPATIBLE SYSTEMS: It supports Bluetooth 3.0 or later for Android operating systems, making it an ideal replacement for smartphone users, tablets and laptop keyboards.2. FULL SIZE KEYBOARD: The full size keyboard is convenient for you to type. Projection keyboard is clear and bright with accurate touchpad functionality. It is a practical accessory for any device.3. WIRELESS BLUETOOTH CONNECTION: Enjoy the convenience of a full size keyboard wherever you are with Bluetooth V3.0. The Bluetooth keyboard has a long lasting battery that runs for up to 2 hours.4. PORTABLE: This projection keyboard with cell phone holder and mobile power supply can be taken anywhere. Its lightweight and compact design is ideal for business travel.5. EASY TO OPERATE: The setup is very simple and in just a few seconds you can project your full size keyboard onto any flat surface. First, connect the projector to your device and press the power button to start projecting the keyboard.Specification:Item Type: Projection KeyboardMaterial: ABSColor: WhiteBattery Type: 2600mAh Li Battery (Built in)Keyboard Layout: QWERTY Layout (Approximately 20mm Spacing)Working Platform: Non Reflective, Opaque SurfaceProjection Size: Width Approximately 250mm / 9.84in, Height Approximately 100mm / 3.94inBluetooth: V3.0, Ver 1.0Frequency: 2402-2480MHzChannels: 79Modulation System: GFSK.Package List:1 x Projection Keyboard1 x Charging Cable1 x Instruction Manual