Feature:1. The wireless mouse adopts 2.4G wireless frequency hopping technology, which has super anti-interference ability.2. The mouse has 3 levels of adjustable resolution, up to 1600DPI intelligent adjustment, and quickly realizes cursor positioning.3. Using high-return chips, and built-in memory, no code matching, faster data connection and transmission.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 adopts an ergonomic shape design, is comfortable to hold, and supports plug and play, which is convenient to carry and use.Specification:Item Type: Wireless MouseType: Optical MouseConnection Method: WirelessOptical Resolution: 1600dpiKey Number: 4 KeysInterface: USBWireless Transmission Frequency: 2.4GHzResolution: Adjustable 3 speed and belowOperating Distance: Approx. 5m / 16.4ftWorking Method: PhotoelectricWheel Direction: 4-way wheelBattery Specification: 2 AAA batteries (not included).Package List:1 x Wireless Mouse 1 x USB Receiver