2.4G Wireless Transmission Technology,10M wireless receiving distance. Third gear adjustment design. High resolution: Max 1600 high resolution for fluid motion. Fashion ergonomic design: ergonomic design, comfortable grip, appearance, easy to carry Rechargeable design, built-in 500 mAh lithium battery. Model: M107 : 5 (Mute switch) Wireless distance: 10m Work: Photoelectricity Battery capacity:500mAh(Chargeable lithium battery) Charging cable length: 24cm Project Type: Ergonomics Optical Mouse Resolution: 800,1200,1600.(1200dpi Default) Operation Mode:-electronic Rated voltage / current: 3.7V / 18mA Power Type:Rechargeable(Charging time 2h,Working time 150h) Type:2.4Ghz Wireless mouse Buttons: 2 Buttons and 1 Round (Middle Mutton) and key System requirements: Windows 98 / / 2000 / XP / Vista / Win 7 / Win8 / 10/Vista OS or latest. Colour:black :ABS Size:10.1 x 6.3 x 3.5cm Package Contents: 1 x Wireless Mouse 1 x USB Receiver 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.