? RECOMMENDED BY PROFESSIONALS: This electric pet claw filer provides the safest, most comfortable pet claw filing. But every dog reacts differently to having its nails groomed. If you notice signs that your dog is in serious distress, cut the session short and try again some other day. ?< 50 DB ULTRA-QUIET: Adopted with DC3.7V mute motor and high-quality brass shaft, designed with low noise and low vibration. less than 50 decibels, provide quiet operation for pet comfort. ?3 PORTS SIZE: Widely Applicable to small, medium dogs and cats. With a security cover, you can choose a suitable port size to file according to the pet size. ?2 ROTARY SPEEDS: Especially adopted thick diamond file stone and powerful motor.With 2 speeds design: 6,000 RPM for trimming accurately, 6800 RPM for quickly filing. You can choose an appropriate speed according to the hardness of pet nails, Ensure safe & quick trimming for your loved pets. ?1H QUICK CHARGE,4H WORK LIFE: Adopted advanced 600mA lithium battery which supports fast charging and long working time.USB portable cable with over-charge protection.