Specification: 1：Model: M60 2：Color: Black 3：Material: ABS 4：Key life: 5 million times 5：Wireless distance: 10m 6：Work: Photoelectricity 7：Battery capacity:600mAh（Chargeable） 8：Charging cable length: 80cm 9：Project Type: Ergonomics Optical Mouse 10: Resolution: 800,1200,1600.(1200dpi Default) 11: Operation Mode:Opto-electronic 12: Rated voltage / current: 3.7V / 18mA 13: Power Type:Rechargeable 14: Type:2.4Ghz Wireless mouse 15：Buttons: 2 Buttons and 1 Round (Middle Mutton) and Dpi key 16: System requirements: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10/Vista Mac OS or latest. 17: Product weight:65g 18: Item size: 11.3 *5.8 * 2.6cm 19: Packing weight: 120g 20: Package Size:13.5 * 8.5* 4.7cm Package List: 1 * 2.4 G Wireless Mouse 1 * USB Receiver 1 * USB Charging Cable(80cm) 1 * English manual