Technical Parameters: 2.4G Wirele Transmiion Technology 10M wirele receiving distance Third gear DPI adjustment design quiet and elegant office wirele mouse High resolution: Max 1600 DPI high resolution for fluid motion Fashionable slim design: Slim design for sleek look and portable use Specification: 1Brand/Model: M80 2Color: Black,White, Gray, Gold, Rose gold, Silver. 3Material: ABS 4Key life: 5 million times 5Wirele distance: 10m 6Work: Photoelectricity 7Battery capacity:500mAhChargeable lithium battery 8Charging cable length: 25cm 9Project 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:RechargeableCharging time 2hWorking time 150h 14: Type:2.4Ghz Wirele mouse 15Buttons: 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:67g 18: Item size: 11.2 *5.8 * 2.5cm 19: Packing weight: 102g 20: Package Size:12.2 * 8.3* 4.3cm Package List: 1 * 2.4 G Wirele Mouse 1 * USB Receiver 1 * USB Charging Cable(25cm) Installation and use steps 1. Remove the wirele 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. 3.This product is a built-in lithium battery. You only need to set the bottom switch to the ON position. A charging cable is included in the package. When the cursor movement delay occurs, please insert the charging cable into the front end interface of the mouse to charge. Please try not to use it while charging!