*Main Features:● Excellent ergonomic design， better fit for your using habit● Buttons: 7 buttons with scroll wheel● Tracking systems: Optical● Braided wire equipped with strong defense magnet ring， anti-interference and durable● Adjustable DPI: Max to 7200DPI ( 1000 - 1600 - 2400 - 3200 - 7200 )● High precision: Ultra-precise scroll wheel， professional gaming chips， high precision and rapid response● Optical technology works on most surfaces， long-term use without fatigue● Intelligent connectivity， plug and play● Switch life: 5 million cycle● Compatible with Windows XP / Vista / Windows 7 / 8 / ME / 2000 / Mac OS Material: ABS *Interface: USB 2.0 *Resolution: 1000DPI，1600DPI，2400DPI，3200DPI，7200DPI *Connection Type: Wired *Optical Type: LED Optical *Powered by: USB Power *Supports System : MAC OS X，Win 2000，Win 2008，Win vista，Win XP，Win7 32，Win7 64 *Suitable for: PC *Cable Length (m): 1.5 m *Color: Black *Package weight: 0.204 kg *Product size: 12.70 x 8.50 x 3.70 cm / 5.00 x 3.35 x 1.46 inches *Package size: 14.50 x 9.50 x 5.50 cm / 5.71 x 3.74 x 2.17 inches *Package Contents: 1 x ZELOTES T - 80 Wired Optical Backlight Gaming Mouse Support 7200DPI， 1 x English User Manual