Features:1. High quality and fine workmanship, durable and practical.2. Ergonomic design, stylish look, comfortable hand feeling.3. Reasonable size and lightweight, portable for carrying and using.4. Folding design, easy for you to store, don't take up desktop space.5. Flattening means power failure and low energy consumption.6. With a simple touch, you can turn pages on the web and have high sensitivity.Specification:Condition: Brand NewItem Type: MouseMaterial: ABSColor: BlackSize: Approx. 130*57*16mm / 5.1*2.2*0.6inchPhotoelectric Resolution: 1600dpiNumber of Buttons: 4 (key) (two touches)Wireless Transmission Distance: 10mButton Life: 8 Million TimesWireless Carrier Frequency: 2404-2480MHZButton Strength: 60-70gButton Stroke: 0.8mmWireless Channel: 16 (automatic frequency modulation)Power: 2 x AAA batteries (not included)Package list:1 x Mouse1 x ReceiverNotes:1. The actual product color may deviate from the photo due to light.2. There may be a slight deviation in the measurement of product..