1、Quiet Operation. Left and right keys produce a moderate amount of noise, enabling you to use it without worry about bothering others around you. 2、Wireless Mouse. Plugged in the 2.4Ghz receiver, free from twisting cables. It is compatible with almost all computer, providing stable connection. 3、3 Adjustable Moving speed Levels. There are 3 Moving speed levels --- 800, 1200, 1600. Free to switch. It offers you a pleasant sensation of higher speed, less delay and more correct location 4、Ergonomic Design. It is slim and light and relieves your wrist fatigue to some extent. And its shell is comfortable to touch. 5、Plug and Play. No drivers required, easy to use. This 2.4G Wireless Mouse is ultra slim and offers 3 adjustable DPI levels with the max one up to 1600DPI. Besides, Its left and right buttons produce a moderate amount of noise, free form worry about bothering others. And it can generates 7-color breathing light. Feature: Quiet Operation Left and right keys produce a moderate amount of noise, enabling you to use it without worry about bothering others around you. Wireless Mouse Plugged in the 2.4Ghz receiver, free from twisting cables. It is compatible with almost all computer, providing stable connection. 3 Adjustable DPI Levels There are 3 DPI levels --- 800, 1200, 1600. Free to switch. It offers you a pleasant sensation of higher speed, less delay and more correct location Multiple Colors for Choice There are 6 colors --- black, white, gold, grey, silver and rose gold. Ergonomic Design It is slim and light and relieves your wrist fatigue to some extent. And its shell is comfortable to touch. Plug and Play No drivers required, easy to use. Specification: Working method: 2.4GGHz Button quantity: 4 Battery capacity: 500mAh DPI: 800/ 1200/ 1600 Item size: 112* 58* 25mm/ 4.41* 2.28* 0.98in Item weight: 64.8g/ 2.29oz Package size: 127* 77* 30mm/ 5* 3.03* 1.18in Package weight: 84.5g/ 2.98oz Packing list: 1 * Mouse 1 * USB cable 1 * Mouse 1 * USB cable