Ultrathin Perman 2.4GHz Wireless 4D Rechargeable 2400DPI 4 Buttons Optical USB Gaming Mouse Mice for Computer PC Laptop Gamer Gray Material: Plastic. Size: 130 x 74 x 38mm. Operating voltage: 1.5V (Battery Rechargeable). Special Edition for Gaming. Ergonomic Both-handed design. High Quality, Compact Design and Measurable Weight. Cool Magic Hawk Style. Ultra-precise Scroll Wheel. New Version: High Resolution: 2400DPI. Customize DPI Switch: 1000/1600/2400dpi. Integrated 3 Level Full Auto Key Setting. Most suitable for Laptop user and PC user. Optical technology works on most surfaces. Buttons: 4 buttons with scroll wheel (One DPI Switch, and Two Side Buttons). True 2400DPI Pro-Gmaing Sensor. Ergonomic Hybrid Shape. Ultra-quite and Low-friction. Resoulition adjustable in driverless-free drive. Intelligent connectivity. no need to code, plug & play. Built-weight iron, feel comfortable, mobile and stability.