Feature:1. The wireless keyboard uses 7color backlight to make your typing more convenient especially in the dark2. 10inch widened and enlarged processing, more buttons and larger buttons,can have a better user experience3. A stable scissor mechanism and lowprofile keys deliver tactile feedback and perfect bounce4. Portable and ultrathin, it can be used with smart phones tablet computers notebook computers and desktop computers5. The builtin rechargeable battery allows you to type continuously for 44 hours after being fully charged in less than 2 hoursSpecification:Item Type: Wireless keyboardBluetooth 3.0: Standard MICR interfaceWithin 10 Meters: Effective operation can be achievedModulation Method: GFSKWorking Voltage: 1.83.6vWorking Current: <2.0mAStandby Current: 0.3~0.5mASleep Current: <40uACharging Current: 200mAStandby Time: >30 DaysCharging Time: <2 HoursBuilt-in Lithium Battery: 110mAhButton Force: 8010gButton Life: 5 million clicksWorking Temperature: -10~55 degreesRgb Lighting: Red, green, blue, light Blue, yellow, plain, white.Package List:1 x Keyboard1 x Charging Cable