Welcome to our shop! The left and right buttons feature a silent micro-switch design, a 250Hz high-yield chip, and faster data transmission. Utilizes 2.4G wireless frequency-hopping technology for superior anti-interference capabilities. Ergonomic design for a comfortable grip, intelligent adjustment up to 1600 DPI for rapid cursor positioning. Innovative red light technology for energy saving and power conservation; built-in memory with smart connectivity. The receiver is plug-and-play, convenient to use, and offers excellent performance. Item Type: Wireless Mouse Type: Optical Mouse Computer Connection: Wireless Optical Resolution: 1600 dpi Number of Keys: 6 (keys) Interface: USB Wireless Transmission Frequency: 2.4GHz Resolution: Adjustable 3 speeds and below Working Distance: Approx. 8 meters / 26.2ft Working Method: Photoelectric Wheel Direction: Four-way wheel Battery Specification: 2 x AAA batteries Package List: 1 x Mouse 1 x USB Receiver