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: M80 Material: ABS Type: 2.4Ghz Wireless Mouse Key Life: 5 Million Times Wireless Distance: within 10 meters Work: Photoelectric Battery Capacity: 500mAh (Rechargeable lithium battery) Project Type: Ergonomics Optical Mouse Resolution: 800, 1200, 1600 (1200dpi Default) Operation Mode: Opto-electronic Power Type: Rechargeable (charging time: 2h, working time: 150h) Buttons: 2 Buttons and 1 Round (Middle Mutton) and Dpi key Required System: for Windows 98 / Me / 2000 / XP/ Vista/ for Win 7 / for Win 8 /10 / Vista for Mac OS or the latest version Size: Approx. 11.2*5.7*2.5 cm/ 4.41*2.24*0.98 inch Charging Cable Length: 25 cm Weight: Approx. 100 g Packing List: 1 * 2.4 G Wireless Mouse 1 * USB Charging Cable 1 * USB Receiver