Mini adapter, plug and play.Wireless transmission, the longest sensing distance up to 10-15 meters.Portable and light weight, very convenient to carry and store.Power switch for save power.With 3 Keys, including scroll wheel, page forward and page backward buttons for easy internet surfing.Type: Wireless MouseOptical Resolution: 800/1200 DPIOperating Distance: Up to 10-15 Meters.Interface: USBPower Supply: 1 x AAA Battery (Not Included)Size: 8.5cm x 5.3cm x 2.7cm/3.35" x 2.09" x 1.06" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Wireless Mouse1 x USB Receiver