Features: Brand new and high quality engine, precise positioning. 7 buttons, including Buttons: Left, Right, 3200DPI+，3200DPI-, Advance, Retreat 1200 / 1600 / 2400 / 3200DPI. Ergonomical design, comfortable touch, long use without fatigue. Intelligent . Long switches life up to 10 million. Total 7 bright in turn, giving you a colorful visual effect. Suitable for player, Gamings professional player. Specifications: Material: ABS IC：A611 Rate of return: 125Hz Movement speed: 30IPS Refreshes rate: 4000FPS Acceleration: 8G Number of buttons: 7Buttons 3200DPI：MAX 6400DPI( 1200/1600/2400/3200) Voltages rating / electric current: DC5V / 100mA Connection: Cord Cable length: 150cm Port: USB2.0 3200DPI: 1200/1600/2400/3200dpi Switches Life: 10million cycle Buttons: Left, Right, 3200DPI+，3200DPI-, Advance, Retreat Light effect: colorful Support System: 7/8/10/2000/XP Item size: 13x7x4cm Package Includes: 1PC Cord Mouse note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you.