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Power: 1.5w Rated voltage: DC 5V Waterproof grade: IPX-7 Working mode: 2 minutes timing Net weight: 55g Gross weight: 106g Vibration frequency: 32000 times/min-42000 times/min Packing weight: 11kg Product size: 2.5 * 21.5cm Packing box size: 8 * 2.5 * 17cm   1. USB charging model, working hours, 1-2 times a day, 2 minutes each time, can be used for 45-60 days, 2. Working mode: gear memory function, 2-minute timing, 30-second pause, short press to turn it on, short press to switch gears after turning it on, first gear, second gear, third gear, fourth gear, fifth gear, sixth gear, and long press for 3 seconds to shut down. 3. The light is on at the corresponding gear position during work, the red light is on when charging, and the light turns green after it is full. 4. 42,000 times/high frequency vibration, 6MM large swing, choose DuPont brush head imported from Germany, the entrance is safe and harmless