1. Material: TPR
2. Diameter: 2.4 inches
3. Battery capacity: 220mAh
4. Charging interface: Type-C
5. Charging time: 1.5h
6. Use time: 3h
7. Waterproof level: IP54
8. Suitable for small dogs, medium dogs, large dogs
9. Equipped with free scroll mode for slight swing and movement, and crazy bounce mode for fast and high bounce