Specification:Wireless gaming mouse with USB receiver.2.4GHz digital wireless transmission, operation distance is up to 10 meters.Intelligent power-saving technology, the service life of one alkaline battery is up to six months.Ergonomically designed, comfort grip.Portable and weight light, very convenient to carry and store.With 6 Keys, including Scroll Wheel, Page Forward and Page Backward buttons for easy internet surfing.Type: Wireless MouseWi-Fi Range: 10mInterface: USBWireless Transmission Frequency: 2.4GHzPowered Supply: 2 x AAA Batteries (Not Included)Size: 108mm x 75mm x 38mm/4.25" x 2.95" x 1.50" (Approx.) Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Operation distance is closely related to the environment.The mouse will shut off automatically and enter sleeping mode for saving power when it's not used for a long time. To wake it up, press the right or left button. Package Includes:1 x Wireless Mouse1 x USB Receiver