2.4G wireless transmission technology supports 10M wireless receiving distanceThree gear DPI adjustment design, max 1600 DPI high resolution for fluid motionQuiet and elegant office wireless mouse, slim design for a sleek look and portable use Specification: Brand/Model: M80 Material: ABS Key life: 5 million times Wireless distance: 10m Work: Photoelectricity Battery capacity:500mAh (Chargeable lithium battery) Charging cable length: 25cm Project Type: Ergonomics Optical Mouse Resolution: 800,1200,1600.(1200dpi Default) Operation Mode:Opto-electronic Rated voltage / current: 3.7V / 18mA Power Type:Rechargeable (Charging time 2hWorking time 150h) Type:2.4Ghz Wireless mouse Buttons: 2 Buttons and 1 Round (Middle Mutton) and Dpi key System requirements: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10/Vista Mac OS or latest. Product weight: 67g Item size: 11.2 *5.8 * 2.5cm Package included: 1 x 2.4 G Wireless Mouse 1 x USB Receiver 1 x USB Charging Cable (25 cm)