HH-111 5 Keys Wireless Vertical Charging Mouse Ergonomics Wrist Protective Mouse(Blue)

Features: 1. Optical engine, smooth and accurate tracking experience 2. Made of frosted material, not easy to scratch 3. Ergonomic vertical design improves wrist comfort and healthier 4. Side-pressing buttons, symmetrical design of left and right buttons, feel better Product parameters: 1. Material: ABS, electronic components 2. Connection with computer: wireless 3. Photoelectric resolution: 1600 (dpi) 4. Number of keys: 5 (keys) 5. Interface: USB 6. Wireless transmission frequency: 2.4GHz 7. Operating distance: 10 (m) 8. Working method: photoelectric 9. Built-in battery: 500 mAh lithium battery 10. Working voltage: 3V 11. Working current: 13mA 12. Dimensions: 10 x 8.5 x 7.6 cm 13. Product weight: about 130 grams Packing list: Mouse x 1 USB receiver x 1 USB data cable x 1