Feature:1. For 2.4G wireless transmission, with signal stability, it is anti-interference, and the digital keyboard and mouse share one receiver.2. This set is made of 2.4G wireless numeric keypad and mutet wireless mouse, which is practical to use.3. In scissor-foot design, you can comfortablely tap. And also it is with low-key cap design, moreover, its quick rebound speed for a more comfortable and quiet input experience.4. With 1200 DPl resolution, the mouse is compatible for WIN7 / 8 / 10 / MAC / Android system.5. Working method of mouse is optical engine, and the keyboard will enter sleep for no action in 3 minutes.Specification:Item Type: Keyboard + MouseMaterial: ABSGross Weight: Approx. 194.00gPacking Size: Approx. 16.50 x 13.50 x 3.00cm / 6.50 x 5.31 x 1.18 inKeyboard Parameters:Wireless Protocol: 2.4GWorking Distance: About 10 meters in the case of barrier-free.Battery Type: 2 x AAA battery (not included)Working Voltage: DC 1.5VWorking Current: <5mAContinuous Working Time: 250H (1000mAh battery calculation)Standby Time: 120 daysSleep Current: About 50uADormancy: The keyboard enters sleep for no action in 3 minutes.Status Display LED:1. The LED is a red light2. The red light is always on for NUM LOCK state, after the sleep, the red light is off.3. Low Voltage Indication: Flashing in red light working state refers to low voltage indication.Mouse Parameters:Transmission Method: Wireless 2.4GWorking Method: Optical engine (trace)Compatible System: For WIN 7 / 8 / 10 / MAC / Android systemResolution: 1200 (DPl)Working Current: <15mAPower Mode: 1 AA battery (not included).Package List:1 x Keyboard1 x Mouse1 x Receiver1 x Instruction Manual Note:Keyboard and mouse batteries are not included.