Sarmocare S100 IPX7 Waterproof Portable Sonic Electric Toothbrush with 8 Brush Heads Features: 1. Five brushing modes, you can choose according to your needs 2. DuPont bristles are rounded to protect the gums 3. 30-second automatic zone switching, 30-second reminder to change brushing area, helps ensure correct brushing time 4. 2-minute smart timer, automatically shuts off after 2 minutes, the mode has memory function 5. IPX7 waterproof, whole body washable 6. Wireless induction charging, convenient and fast 7. Electroplating button process, shell painting process Product parameters: 1. Material: food-grade APET ABS+PP 2. Vibration frequency: 42,000 times/minute (magnetic levitation motor) 3. Noise level: 46-70db 4. 5-speed mode: standard, gentle, massage, strong, polishing (3 strengths per gear) 5. Battery capacity: 800mAh 6. Charging time: about 8-10 hours 7. Battery life: about 30 days 8. Waterproof level: IPX7 9. Product size: 27 x 2.5 x 2.8 cm