ZELOTES F-35A 6-Buttons Vertical Grip Ergonomic Rechargeable Wireless Mouse(Wireless Version)Features: 1. Upright mouse grip, comfortable gestures, reduce muscle damage 2. Smooth and delicate surface treatment, with a soft skin like feel 3. 3 speed DPI adjustment function, 1000 1600 2400DPI 4. Ergonomic design, no fatigue after long term use 5. Built in heavy iron, comfortable movement, stable movement 6. The scroll wheel adopts bionics, the leather ring is nested, non slip and more beautiful 7. Integrated left and right buttons to help you