Feature: 1. The wireless keyboard uses 7‑color backlight to make your typing more convenient especially in the dark 2. 10inch widened and enlarged processing, more buttons and larger buttons,can have a better user experience 3. A stable scissor mechanism and low‑profile keys deliver tactile feedback and perfect bounce 4. Portable and ultra‑thin, it can be used with smart phones tablet computers notebook computers and desktop computers 5. The built‑in rechargeable battery allows you to type continuously for 44 hours after being fully charged in less than 2 hours How to Use: 1. Turn on the switch on the keyboard, short press the wireless switch to connect 2. Turn on the Bluetooth function on your mobile phone or computer, and you can use it after successful connection Specification: Item Type: Wireless keyboard Bluetooth 3.0: Standard MICR interface Within 10 Meters: Effective operation can be achieved Modulation Method: GFSK Working Voltage: 1.8～3.6v Working Current: 30 Days Charging Time: <2 Hours Built-in Lithium Battery: 110mAh Button Force: 80±10g Button Life: 5 million clicks Working Temperature: -10~55 degrees Rgb Lighting: Red, green, blue, light Blue, yellow, plain, white Package List: 1 x Keyboard 1 x Charging Cable