Rapoo M350G Bluetooth2.4G Wireless Mouse Office Desktop Laptop Mute Mouse 1. Connectivity: Bluetooth 5.0, 4.0 and Wireless 2.4G 2. Feeling type: symmetrical 3. Working mode: 3220 optical engine in original phase 4. Wheel direction: bi-directional 5. Sensitivity: 8001000120016002400DPI 6. Tracking speed: up to 30inchs 7. Acceleration: up to 10G 8. Power supply: 1 AA battery (not included) 9. Size: about 10.8 x 6.4 x 3.5cm 10. Weight: about 65g Features: 1. COMPATIBLE phase 3220 high-performance engine, calibrated core components to enhance the accuracy of the mouse 2. Teflon feet on the bottom, can move on leather, cloth, paper, resin and other surfaces 3. The top cover is made of frosted hard rubber with sun-bathed surface treatment, and the soft and hard rubberized side grips provide a comfortable and stable grip 4. Dual side concave side grips, curved top cover, comfortable fit 5. Left, center and right buttons adopt soft micro-actuation, effectively reducing the use of noise, suitable for libraries, dormitories and other quiet and comfortable environment 6. Simultaneous connection of two devices to operate desktop, laptop, tablet and other devices 7. Bluetooth, receiver mode (2.4G mode) through the bottom of the mode switching key to quickly match switching 8. 5 DPI one-key cycle switching, through the DPI button one-key adjustment cycle switching, according to the use of the scene, personal habits make Jie deployment precision needs 9. USB receiver storage compartment at the bottom to avoid loss 10. Support Bluetooth 4.0, Bluetooth 5.0 and wireless 2.4G three connection modes, stronger connection signal, compatible with multi-operating system