Whisper-Quiet about 50dB Operation: Heisom Silent Pro features a specialized motor operating at about 50dB—dramatically reducing noise to prevent anxiety and stress in dogs during nail trimming. All Pet Sizes & Nail Types: Accommodates any pet size or nail hardness with three interchangeable grinding ports and a two-speed switch for precise control.Healthier Paws Guaranteed: Maintains ideal nail length to prevent discomfort, mobility issues, and complications from overgrown nails. Ambidextrous Lightweight Design: Ergonomic and portable for comfortable handling by left or right-handed users—accessible for all pet owners. 7-Hour USB Rechargeable Battery: Delivers extended cordless operation (up to 7 hours per charge) via USB power—always ready for grooming sessions.Material: ABSColor: White/blackBattery capacity: 2000 mAhCharging time: about 4.5 hoursBattery life: about 8 hoursCharging method: USBSound decibel: about 50dbGrinding wheel type: replaceable grinding head Package includes:1set * 2025 New silent groom pro Nail Trimmer