Feature:1. Adopts an ergonomic design, the wireless mouse can reduce the pressure on the wrist, it will not feel fatigue even after operating the mouse for a long time.2. Using professional optical positioning technology, the positioning function of the mouse is more accurate, and the smart mini receiver can quickly connect to computers and other equipment.3. Useing smart power saving technology, if you don't move the mouse for 5 minutes, the mouse will automatically go to sleep and will operate normally after sliding activation.4. The mouse is made of ABS material, which is of high quality, practical and durable. And the appearance is different from the traditional mouse, which is more beautiful.5. Wireless mouse is widely used in notebook computers, desktop computers, games, office, and it can also be given as gifts to relatives and friends, which is beautiful and generous.Specification:Item Type: Wireless MouseMaterial: ABSConnection with Computer: USBWireless Transmission Frequency: 2.4GHzSignal Transmission Distance: Approx. 10m / 10.9ydOptical Resolution: 800-1200-1600dpiNumber of Keys: 3(Keys)Working Method: PhotoelectricWheel Direction: Four-Way WheelBattery Specification: 2 x AAA Battery (Delivery Without Battery).Package List:1 x Wireless Mouse1 x USB ReceiverNote:Delivery without battery.