Features:High-end vintage round keycap design.The service life is up to 10 million times of pressing.Ultra-quiet feel, comfortable to operate.Super power saving, 12 months long standby.Mouse DPI value: 1500Environmental-friendly ABS material for touch comfort, reduce fatigue.Human oriented design, increasing a series of multimedia keys.With the ultra-slim design, the Ik6630 ensures great portability and convenience for you to carry it anywhere you want.Reliable 2.4 GHz wireless connection, fast and stable connection with up to 20 meters connection distance.The keyboard is of large round shape design, beautiful appearance, fashion and compact. Specifications:Material: ABSColor: Black, Pink, GreenKeyboard Power Supply: 1 x AAA Batteries (Not Included)Mouse Power Supply: 1 x AA Batteries (Not Included)Interface: Wireless, RF 2.4 GPackage weight: 618gPackage size: 47*15.5*4.5cm/18.5*6.1*1.7inch Keyboard:Data transmission: 1MbpsFrequency: 2405MHz-2476MHzChannel: 16Distance: 20 metersVoltage/Current:1.5V/2mAKeyboard key life: 5 million timesWorking current: 1.5mAStandby Current: 6μASleepy Current: 6μANo Receiver State: 6μADimension: 381*126*31mm Mouse:Frequency: 2405MHz-2476MHzChannel: 16Working Voltage: 1.5VWorking Current: 11mA Mouse key life: 3 million timesDPI: 1500 Rate of Return: 250HzWorking Current: 11mAStandby Current: 1.3mASleepy Current: 50μANo Receiver State: