Specifications: Achieve wireless free movement within 10 meters. Can realize the three-speed regulation of the resolution frequency switching (1000 dpi-1200 dpi-1600dpi). Can achieve up and down scrolling. Automatic sleep power-saving function, intelligent sleep saves electricity, more durable. The shortcut button can be used to browse the Internet or applications, easy to implement the "forward" and "back" functions on the toolbar. High-performance wear-resistant bottom, easy to achieve barrier-free sliding. Suitable for home or office use.