Feature:1. 2.4G Wireless Transmission Technology. 10M wireless receiving distance.2. Third gear DPI adjustment design.3. Quiet and elegant office wireless mouse. Colorful glow, more cool.4. High resolution: Max 1600 DPI high resolution for fluid motion.5. Fashionable slim design: Slim design for sleek look and portable use.Specification:1Brand/Model: M402Color: Black, Silver.3Material: ABS4Key life: 5 million times5Wireless distance: 10m6Work: Photoelectricity7Battery capacity:500mAhChargeable lithium battery8Charging cable length: 25cm9Project Type: Ergonomics Optical Mouse10: Resolution: 800,1200,1600.(1200dpi Default)11: Operation Mode:Opto-electronic12: Rated voltage / current: 3.7V / 18mA13: Power Type: RechargeableCharging time 2hWorking time 150h14: Type: 2.4Ghz Wireless mouse15Buttons: 2 Buttons and 1 Round (Middle Mutton) and Dpi key16: System requirements: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10/Vista Mac OS or latest.17: Product weight:67g18: Item size: 11.2 *5.8 * 2.5cmInstallation and use steps: 1. Remove the wireless mouse from the box.2. Remove the mini receiver installed in the bottom of the mouse, insert the computer's USB interface, free code, plug and play.Package List:1 * 2.4 G Wireless Mouse1 * USB Receiver1 * USB Charging Cable(25cm)Note:Due to the different monitor and light effect,the actual color maybe a slight different from the picture color.Please allow 1-2cm differs due to manual measurement.