Sarmocare S100 IPX7 Waterproof Portable Electric Toothbrush with 8 Brush Heads Features: 1. Five brushing modes to choose from based on personal needs 2. DuPont bristles with rounded tips to help protect gums 3. 30-second interval timer提醒 to change brushing area, promoting balanced brushing 4. 2-minute smart timer automatically shuts off after brushing cycle; mode memory function 5. Full-body IPX7 waterproof design, safe for rinse under water 6. Wireless induction charging for convenient and efficient power-up 7. Electroplated buttons with durable shell paint finish Product Specifications: 1. Material: Food-grade APET, ABS, and PP 2. Vibration frequency: 42,000 vibrations per minute (magnetic levitation motor) 3. Noise level: 46–70 dB 4. 5 speed modes: Standard, Gentle, Massage, Strong, Polishing (3 intensities per mode) 5. Battery capacity: 800 mAh 6. Charging time: Approximately 8–10 hours 7. Battery life: Up to 30 days on a full charge 8. Waterproof rating: IPX7 9. Product dimensions: 27 x 2.5 x 2.8 cm