Features: 1.3 Levels DPI: The portable optical mouse has 3 levels of adjustment DPI, 1200, 1600, 2400 DPI) to meet daily work. Comes with a USB C to USB adapter so you can use any device with confidence. 2.Rechargeable Optical Mouse: The 2.4G wireless mouse has a built in durable 500mAh rechargeable battery that can be easily charged using the included USB cable without battery replacement. 3.10 Meters Transmission: 2.4G mice transmission distance reaches 10 meters, and it can still maintain good performance after more than 10 million key tests, and it is durable. 4.2.4 GHz Wireless Technology: 2.4 GHz wireless technology provides a strong and reliable connection with an effective range of up to 10m. Advanced optical tracking technology for fast click and responsiveness. 5.Silent Key: Wireless mouse is a quiet mouse, the mute button avoids clicking noise, making it an ideal wireless mouse for offices, meeting rooms, coffee shops, libraries, bedrooms. specification:Item Type: 2.4G Wireless Portable Optical Mouse Material: ABS Resolution: 1200, 1600, 2400 Button Life: 10 Million Times Wireless Distance: 10m Operation Mode: Photoelectric Battery Capacity: 500mah Lithium ion Battery (included) Charging Cable Length:Approx. 80cm / 31.5in Rated Voltage/current: 3.7V/20mA Keys: 4 Keys (Left, Right, Scroll Wheel and DPI Keys) Product Weight:Approx. 71g / 2.5oz Product Size:Approx. 114 x 63 x 30mm / 4.5 x 2.5 x 1.2in System Support:For Windows 98,for Me,for 2000,for XP,for Vista,for Win 7,for Win8,for 10,for Vista,for OS X or the Latest Version. PackageList:1 x2.4GWirelessPortableOpticalMouse 1 x USB Receiver 1 x Charging Cable NoteShips with built in battery.