1、High-end optical engine, precise positioning. Intelligent connectivity, plug and play. 2、7 buttons, including scroll wheel, left button, right button, advance, retreat, DPI switcher, fire key. Long switch life up to 10 million. 3、Adjustable 1200 / 1600 / 2400 / 3200/ 5500DPI. 4、Ergonomic design, comfortable touch, long-term use without fatigue. 5、Total 7 bright colors showing in turns, giving you a colorful visual effect. Suitable for high-end players, gaming professional players. Features: High-end optical engine, precise positioning. Intelligent connectivity, plug and play. 7 buttons, including scroll wheel, left button, right button, advance, retreat, DPI switcher, fire key. Long switch life up to 10 million. Adjustable 1200 / 1600 / 2400 / 3200/ 5500DPI. Ergonomic design, comfortable touch, long-term use without fatigue. Total 7 bright colors showing in turns, giving you a colorful visual effect. Suitable for high-end players, gaming professional players. Specification: Color: Black Material: ABS Tracking System: Optical Voltage Rating / Electric Current: DC 5V / 100mA Connection: Wired Size: 12.7 x 8.5 x 3.8cm / 5 x 3.3 x 1.5inch Cable Length: Approx. 142cm / 56inch Port: USB 2.0 DPI: 1200/1600/2400/3200/5500DPI Switch Life: 10 million cycle Buttons: left, right, scroll wheel, DPI, fire key, advance, retreat Light Effect: Colorful Support System: Windows 7/8/2000/XP/Vista Mac OS or latest Package Weight: 138g Package included: 1 x Gaming Mouse Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.