Features: 1.The mouse is wireless, equipped with a USB receiver, supports plug-and-play and is easy to carry. 2.Using the latest 2.4Ghz wireless frequency hopping technology, it has super anti-interference ability. 3.The mouse has 3 levels of adjustable resolution, up to 1600DPI intelligent adjustment, and quickly realizes cursor positioning. 4.The 4?way scroll wheel moves, and the left and right buttons adopt a silent micro?motion design, which makes the work quieter. 5.The mouse is rechargeable and uses innovative red light technology to save energy and power. specification:Item Type: Wireless Mouse Type: Optical Mouse Connection Method: Wireless Optical Resolution: 1000/1200/1600dpi Key Number: 3 Keys Interface: USB Wireless Transmission Frequency: 2.4GHz Resolution: Adjustable 3 speed and below Operating Distance: Approx. 10m / 32.8ft Working Method: Photoelectric Wheel Direction: 4-way wheel Battery : 400mAh PackageList:1 x Wireless Mouse 1 x Charging Cable 1 x USB Receiver