Rechargeable sonic electric toothbrush waterproof

Color: black, white, pink, green, blue Height: 24.3cm Weight of a single toothbrush: 73g Motor type: hollow cup Material: ABS, metal drive shaft Charging method: USB direct charging Applicable people: adults Battery: 500 mAh battery Battery life: 180 days Mode: whitening, cleaning, gentle gum protection, pulse, polishing, 18 gears Vibration frequency: 36,000 times/minute Memory function: 2-minute timing, 30-second face replacement reminder Waterproof level: IPX8