With gradient breathing lamp and 4 gear DPI adjustment, it emits soft light and is convenient to use. Designed with ergonomic structure and double-click fire key, you can have a comfortable grip and easy operation. Made of high quality ABS material, it is durable to use. The length is 130mm, width is 86mm and height is 39mm. It is suitable for computer, desktop, home. Item Name: Wired Mouse Material:ABS Resolution: 800/1200/1600/2400DPI Number of Keys: 7 Keys Connection Method: Wired USB Operation Mode: Photoelectric Type Wireless Transmission Frequency: 2.4GHz Breathing Lamp: LED Colorful Automatic Breathing Lamp