Notice: 1,Built-in 7 colors backlit, you can press"Fn+Space bar" to switch different backli 2, With Battery: it is powered by Li-ion Battery(include),and can be charged via USB cable Product description 1.Come with 2.4GHz QWERTY keyboard + remote controller + air mouse 3-in-1 functions to meet your different needs. 2.2.4GHz wireless transmission technology, super connection range can be up to 10 meters. 3. Using the unique six axis gyroscope technology with 360 degrees in any grip, easy to adopt the wrist accurately control the mouse cursor. 4.Remote control specially designed for android devices.Built-in rechargeable lithium battery, charging by computer or other DC 5V. 5.LED indicator light for working status.Intelligent anti-shake design, high stability.Compatible for android/Windows/Linux/Mac. Specifications: Model: C120 Type: Air Mouse Backlight: 7 Color Backlight(As pictures show) Voice: Without MIC Features: Mini,Rechargeable Material: Plastic System support: for android,Linux,Mac OS,Windows Interface: Wireless Connection: USB2.0 Range of Frequency: 2.00-2.483GHz Operation Current: le 20mA Sleep Current: le 20mA Transmit Range: 10M Power Supply: Li-ion Battery Package includes: 1 x C120 Keyboard Without MIC 1 x USB Cable 1 x English User Manual