Feature:1. There are 4 buttons including scroll wheel, left button, right button, and DPI switcher.2. In ergonomic design, wired mouse can bring comfortable feel, supports no fatigue after long-term use.3. A total of 7 bright colors are displayed in turn, bringing you colorful visual effects.4. Such mouse also supports simple installation, and it does not require particularly complicated operations.5. Meanwhile, computer mouse supports web browsing and business office, practical.Specification:Item Type: MouseModel: S200Photoelectric Resolution: 1600dpiNumber of Keys: 4 keysOperating Distance: Approx. 1.5m / 4.9ftWheel Direction: Four-way wheelAdjustable Resolution: Three gears and belowTracking System: OpticalConnection Method: Wired (No macro programming)USB Interface: USB 2.0DPI: 800/1200/1600 DPI adjustableRated Voltage / Current: DC 5V / 100mASwitch Life: 5 million switch lifeLighting Effects: Colorful (free transform).Package List:1 x Mouse