Specification:1. Color: Black/Red2. Mouse dimension: 50mm x 125mm x 45mm/1.97inch x 4.92inch x 1.77inch3. Mouse weight: 2.9Oz4. Press-Key quantity: 7 Buttons(Including scroll wheel)5. DPI: 800-1200-1600-2400(Adjustable)6. Power source: 1 x AA Battery (Not included)7. Transmission distance: 10m8. Wireless transmission frequency: 2.4GhzFeatures:1. 4 DPI switch and customized function, plug and play. 4 sdjustable dpi level(800, 1200, 1600, 2400) to change the speed of mouse freely.Two side keys can be customized by software.2. 2.4G two-way wireless transmission technology. More secure and precise, the transmission distance can reach to 10 meters(Approx 30ft).USB nano receiver can be stored within the back of the mouse.3. Quiet button design. Left and r