FOREV FV-198 4 Keys 1600 DPI Bluetooth 5.0 Mouse(Black)

1. Material: plastic, electronic components2. Number of keys: 4 keys3. Working mode: Bluetooth connection4. Bluetooth version: 5.05. Working distance: 10m6. Voltage/current: 1.5V/60mA7. Resolution: 1000-1200-1600DPI8. Working method: photoelectric9. Wheel direction: four-way wheel10. Battery type: AA battery x 1(not included)11. Ergonomic line design, fits the curve of the hand, and feels comfortable12. Non-slip roller design, sensitive and convenient operation13. Dimensions: 11.1 x 5.5 x 3.5 cm14. Weight: about 90 grams