Feature:1. Mode: 2.4 G wireless mouse2.4G Wireless Transmission Technology10M wireless receiving distance.2. Rechargeable: Built-in rechargeable battery,400mAh Rechargeable battery Including(14500 3.7V.3. Accurate tracking: Professional IC positioning accuracy,More accurate clicks for office and games.4. Silence key: Optional click silence,quiet and elegant office wireless mouse.5. High resolution:Third gear DPI adjustment design, Max1600 DPI high resolution for fluid motion.6. Fashionable slim design: Slim design for sleek look and portable use.Specification:1Brand/Model: HXSJ/T272Color: Silver.3Material: ABS+Metal4Key life: 5 million times5Wireless distance: 10m6Work: Photoelectricity 7Battery capacity:400mAhChargeable8Charging cable length: 80cm9Project Type: Ergonomics Optical Mouse10: Resolution: 800,1200,1600.(1200dpi Default)11: Operation Mode:Opto-electronic12: Rated voltage / current: 3.7V / 8mA13: Power Type:Rechargeable14: Type:2.4Ghz Wireless mouse15Buttons: 2 Buttons and 1 Round (Middle Mutton) and Mouse Dpi keyBottom of the mouse16: System requirements: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10/Vista Mac OS or latest.17: Product weight: 75g18: Item size: 11 *6 * 2.5cm19: Packing weight: 140g20: Package Size:12.6 * 8* 4.2cmPackage List:1 *2.4 G Wireless Mouse 1 * USB Receiver1 * 400mAh Rechargeable battery Including(14500 3.7V1 * USB Charging Cable(80cm)1 * English manual