This wireless mouse offers 3 DPI levels with max one up to 1600DPI, and generates breathing light. Besides, its left and right button produce moderate noise, using quietly. Feature: Wireless Mouse Plugged in the 2.4Ghz receiver, free from twisting cables. It is compatible with almost all computer, providing stable connection. Quiet Operation Left and right keys produce a moderate amount of noise, enabling you to use it without worry about bothering others around you. 3 Adjustable DPI Levels There are 3 DPI levels --- 800, 1200, 1600. Free to switch. It offers you a pleasantsensation of higher speed, less delay and more correct location Ergonomic Design It is slim and light and relieves your wrist fatigue to some extent. Breathing Light It generates breathing light once you turn on the light. Plug and Play No drivers required, easy to use. Specification: Brand: YWYT Color: Black/ Silver (Optional) Material: ABS Button life: 5 million times Operating distance: 10m DPI: 800-1200-1600 Battery capacity: 500mAh Cable length: 80cm Rated voltage/ current: 3.7V/18mA Button: Left, Right, Scroll wheel and DPI button OS: Windows 98/ Me/ 2000/ XP/ Vista/ Win 7/8/10/ Vista Mac OS Item weight: 67g/ 2.36oz Item size: 113* 58* 26mm/ 4.45* 2.28* 1.02in Package weight: 97g/ 3.42oz Package size: 130* 90* 48mm/ 5.12* 3.54* 1.89in Packing list: 1 * 2.4G Wireless Mouse 1 * USB cable