Specification:Item Type: Wireless Keyboard 3.0: Standard MICR interfaceWithin 10 Meters: Effective operation can be achievedModulation Method: GFSKWorking Voltage: 1.8~3.6VWorking Current: Standby Current: 0.3~0.5mASleep Current: Charging Current: ?200mAStandby Time: >30 daysCharging Time: Lithium Battery Capacity: 110mAhContinuous Working Hours 44 hoursButton Force: 80±10gButton Life: 5 million clicksWorking Temperature: -10~55 degreesRGB Lighting: Red, green, blue, light blue, yellow, purple, whiteHow to Use:1. Turn on the switch on the keyboard, short press the switch to connect.2. Turn on the function on your mobile phone or computer, pair it, and you can use it after successful connection.Package List:1 x Keyboard1 x Charging Cable