Feature:1. Mouse movement, smooth, no burrs, professional optical positioning technology, more precise positioning.2. Unique intelligent circuit management design, making the mouse more powersaving.3. The mouse refresh rate reaches 125MHz, and it is used smoothly without delay.4. Highperformance intelligent wireless technology, using frequency hopping transmission, strong antiinterference ability.5. The appearance design is stylish, ergonomic design, and comfortable to touch.Specification:Item Type: Wireless MouseMaterial: ABSConnection with Computer: BTBT Version: BT5.0BTName: BT5.0 MouseSignal Transmission Distance: Approx. 10m/ 10.9ydOptical Resolution: 800-1200-1600dpiNumber of Keys: 6 (keys)Working Method: PhotoelectricWheel Direction: Four-Way WheelBattery Specification: 2 x AAA Battery (Without).Package List:1 x Wireless Mouse Note:Ship without battery.