Ergonomic Design: Upgraded matte surface and unique ergonomic curve design, professional non-slip strips on the side, the vertical mouse fits your palm, stronger grip, can reduce muscle strain, wrist pain , and keep your hands and arms in place More comfortable location. 2.4GHz Wireless Mouse: vertical mouse strong anti-interference ability, cursor more stable, solve the problem of mouse failure, lag, interference and so on. The positioning is more accurate when using, and the data transmission speed is faster. The transmission distance can reach 10m. An excellent wireless mouse suitable for home and office. Rechargeable Wireless Mouse: ergonomic computer mouse with long battery life, featuring intelligent auto-sleep mode and two power-saving modes with physical switches, which can significantly extend battery life. If it is not used for 10 minutes, it goes into automatic sleep mode to save energy. Then click the mouse to make it work again. 3 Freely Adjustable DPI Levels: 800, 1200,