Professional Pet Electric Nail Trimmer & Grinder

This nail Grinder is rechargeable; and includes a USB wire for your convenience.The grinder will be well-performed over 20 hours in continuous work. Solved the trouble of having to charge in advance for each use. More Safe Stepless Speed Regulation Switch If there is too much pressure detected, either on yourself or the nails of your pets, the grinder will automatically stop spinning. Which means, the grinder is not broken, but protecting you and your pets. Nice!