High performance optical engine, precise positioning.3 buttons, including scroll wheel, left button, right button.Ergonomical design, comfortable touch, long-term use without fatigue.Intelligent connectivity, plug and play.Long switch life up to 10 million.Total 7 bright colors showing in turns, giving you a colorful visual effect.Suitable for high-end players, gaming professional players.Support for Windows 7/8/2000/XP/Vista/Mac OS. Specifications:Color: Black, WhiteMaterial: ABSTracking system: Optical Voltage Rating / Electric Current: DC 5V / 100mA Connection: WiredCable Length: Approx. 125cmPort: USB 2.0 DPI: 1000 DPISwitch Life: 10 million cycleButtons: left, right, scroll wheelBacklight Effect: Colorful Support System: Windows 7/8/2000/XP/Vista Mac OS or latestItem Size: 13 * 7 * 3.5cm / 5.12 * 2.76 * 1.38in (L * W * H) Package List:1 * Optical Wired Gaming Mouse