Features:1. Made of good quality ABS material, solid, durable and long life time, up to 5 million time.3. With USB receiver, can receive wireless within 10 meters.4. Ergonomic design, suitable for your hand posture, use without fatigue. 5. Lightweight and portable, suitable for PC, laptops, tablets, etc.6. With rechargeable lithium battery and USB charging cable, easy to charge and use.Specifications:Model: M80Material: ABSType: 2.4Ghz Wireless MouseKey Life: 5 Million TimesWireless Distance: within 10 metersWork: PhotoelectricBattery Capacity: 500mAh (Rechargeable lithium battery)Project Type: Ergonomics Optical MouseResolution: 800, 1200, 1600 (1200dpi Default)Operation Mode: Opto-electronicPower Type: Rechargeable (charging time: 2h, working time: 150h)Buttons: 2 Buttons and 1 Round (Middle Mutton) and Dpi keyRequired System: for Windows 98 / Me / 2000 / XP/ Vista/ for Win 7 / for Win 8 /10 / Vista for Mac OS or the latest versionSize: Approx. 11.2*5.7*2.5 cm/ 4.41*2.24*0.98 inchCharging Cable Length: 25 cmWeight: Approx. 100 gPacking List: 1 * 2.4 G Wireless Mouse1 * USB Charging Cable1 * USB Receiver