A4Tech XL-750F Mouse

4x3Fire Full Speed Laser Gaming Mouse (4 Times Faster with Full Speed USB) Arm yourself with the powerful and patented 3xFire Button--rapidly fires 3 shots with just 1 click-increasing target accuracy. 6 DPI Shift Ability with Color Indication 600-800-1200-1600-2000-2500DPI (NO DRIVER NEEDED!) Intelligent 4th and 5th Buttons-Forward and Backward Comfortable Thumb Rest Design-fit the shape of your hand,designed to rest your thumb Designed with Extreme Fast Acceleration Up to 500 Hz Report Rate/Second ,4 Times Faster than the Normal USB Mouse. Intelligent 4th and 5th Buttons-Forward and Backward.