Feature:1. 2.4G wireless transmission technology, metal massage roller for good feeling2. 10 meters wireless receiving distance, more convenient to use3. 3-levels DPI adjustment design, 800, 1200, 1600 (the default is 1200dpi), easy to operate4. Quiet design, suitable for quiet places such as offices5. With high resolution of up to 1600 DPI, smooth movement, support for office and gaming use6. Slim and stylish design, easy to carrySpecification:Item Type: Wireless MouseMaterial: ABSKey Life: 5 million timesWireless Distance: 10 metersBattery Capacity: 500mAh (rechargeable lithium battery)Charging Cable Length: 25cmResolution: 800, 1200, 1600(Default 1200dpi)Operation Mode: PhotoelectricRated Voltage / Current: 3.7V / 18mAButtons: 4pcs buttons (left and right buttons, metal scroll wheel and dpi)Power Type: Rechargeable (charging time 2h, working time 150h)Optional Style: Black, Gray, White, Silver, Blue, Pink.Package List:1 x 2.4G Wireless Mouse1 x USB Receiver1 x USB Charging Cable