| 1. Nipple-grade silicone, deep into the teeth, teeth clean inside, prevent gum atrophy, promote periodontal blood circulation, reduce the occurrence of periodontitis. 2. 3 modes: microwave massage, standard whitening, high frequency whitening 3. The U-shaped toothbrush head adopts food-grade antibacterial silicone material. 4. Independent cup cover design, convenient to store, can prevent dust and bacteria 5. All-round waterproof and sealing design, lpx7, comfortable, durable and clean. 6. Intelligent mode memory function, 45 seconds automatic timing. Material:silicone Working mode: microwave massage, standard whitening, high frequency whitening, Vibration frequency: low amplitude, 18000 times/min,… | |