Package weight: 97g1 * USB receiver1 * 2.4 G wireless mouse-Product weight: 67gWork: OptoelectronicsProject Type: Ergonomic Optical mouse-● No need to drive, plug and play.1 * USB charging cableBattery capacity: 500mAh (rechargeable lithium battery)Material: ABSButton life: 5 million times● Three levels of adjustable DPI, sensitive response, stable operation, accurate positioning when moving fast.Packing size: 12.6*7.9*3.2cmColor: black, silver, white, goldWireless distance: 10mButton: 4 keysOperation mode: photoelectricPower supply type: rechargeable (charging time 2h, working time 150h)Rated voltage/current: 3.7V/18mA● Built-in 500mAh rechargeable battery, using low-power energy-saving technology, no need to recharge.System requirements: Windows 98 / Me / 2000 / XP / / Win 7 / Win 8/10 / Mac or the latest version.● Humanized silent design, whether you are in a quiet office or studying late at night in the library, you can create a quiet and comfortable environment.Resolution: 800, 1200, 1600. (Default 1200dpi)Type: 2.4Ghz wireless mouse-Item size: 11.2*5.8*2.5cm● Ergonomic design, fits the hand, feels comfortable, and effectively reduces hand fatigue.● Ultra-thin design, light and portable, can be easily put into a bag or pocket, making it more convenient to use.