1. Pet nail file uses diamond polishing head, which is safer and more effective2. The pet nail file has three grinding ports and two gear speeds, which is widely used for small and medium-sized pets with different nail sizes. You can choose the correct port and nail polishing speed according to your pet s size and nail hardness.3. The pet attenuator is equipped with precision motor and low vibration design, which can protect it from working noise below 50DB4. Equipped with a USB interface cable, it can be easily connected to a laptop, AC adapter, or power pack. You can power the pet nail file anytime, anywhere, without changing the battery, and it is very convenient to use.5.Charging time: 2h6.Operating time: 3h7.Power supply: USB charging8.Input: 50Hz AC100V-240V / 60Hz9.Battery capacity: 800 mAh

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