Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: 2.4Ghz Wireless _x005f_x000D_ Number of Keys: 8 _x005f_x000D_ Tracking Systems: Optics _x005f_x000D_ Frequency: 2402.85mhz-2480.85mhz _x005f_x000D_ Effective Distance: >10m _x005f_x000D_ Working Voltage/Current: 3.7v/15ma _x005f_x000D_ Button Life: About 3 Million Times _x005f_x000D_ Roller Life: About 1.2 Million Times _x005f_x000D_ 18° Mode: 132*100*62mm/5.2*3.9*2.42in _x005f_x000D_ Product Weight: 260 Grams _x005f_x000D_ Resolution: 800-1200-1600-2000-2400-4800dpi _x005f_x000D_ 2.4ghz Return Rate: 125-500hz _x005f_x000D_ Bluetooth-Compatible Return Rate: 90-133hz _x005f_x000D_ Product Size: 132.00*102.00*29.00mm/5.2*4.02*1.14inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1*Wireless Mouse 1.Omni-Directional Trackball: Effortless precision. Our wireless mouse offers a seamless and intuitive navigation experience, allowing for fine cursor control with minimal effort compared to traditional mouse movement. 2.Ergonomic Comfort: Customized grip. The vertical gaming mouse features an adaptable semi-vertical holding position, designed with ergonomics in mind to support your wrist comfortably, ensuring extended use without fatigue. 3.Adjustable Angle: Easy transition. Built with a detachable aluminum alloy base and magnetic absorption structure, our optical mouse allows for swift and effortless angle adjustments between 0 and 18 degrees simply by applying slight pressure to the wrist. 4.Long-Lasting Battery: High-capacity charging. The ergonomic gamer mice is equipped with a built-in lithium battery that provides extended usage and larger capacity for peace of mind. It's rechargeable and engineered for safety and reliability. 5.5 DPI Settings: Flexible resolution. With five adjustable DPI levels, this programmable mouse can be tailored to suit various screen resolutions, enhancing versatility and ensuring smoother operation across different tasks.