Feature: 1. The left and right buttons adopt a silent micro-motion design, 250Hz high-return chip, and data transmission is faster. 2. Adopt 2.4G wireless frequency hopping technology, super anti-interference ability. 3. Ergonomic shape design, comfortable grip, intelligent adjustment of up to 1600DPI, rapid cursor positioning. 4. Innovative red light technology, energy saving and power saving, built-in memory with smart connection. 5. The receiver is plug and play, convenient to use and with good performance. Specification: Item Type: WirelessMouse Type: Optical mouse Connection with Computer: Wireless Optical Resolution: 1600dpi Number of Keys: 6 (keys) Interface: USB Wireless Transmission Frequency: 2.4GHz Resolution: Adjustable 3 speed and below Operating Distance: Approx. 8meter / 26.2ft Working Method: Photoelectric Wheel Direction: Four-way wheel Battery Specification: 2 x AAA batteries Packing List: 1 x Mouse 1 x USB Receiver Package List: 1 x Mouse 1 x USB Receiver