The wireless mouse adopts 2.4GHz technology, which has excellent performance.It is plug and play, which is convenient to use.With mini compact size, it is easy to carry.The power indicator can remind you of the power failure.It is compatible with laptop or computer with USB interface.Item Name: Wireless MouseMaterial: PlasticBattery: 2 x AAA Batteries (Not Include)Resolution: 1600DPINumber of Buttons: 3Interface: USBWireless Transmission Frequency: 2.4GHzWorking Distance: 10mWorking Method: PhotoelectricFeatures: Wireless, Plug and Play, PortableSize: 11cm x 6.4cm x 4cm/4.33" x 2.52" x 1.57" (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 Mouse