Sonic electric toothbrush 37000 High frequency vibration

Features:
1. Deep cleaning: 37,000 micro-brushing frequency per minute, cleaning is not only, deep into the teeth on the surface, massage gums, fresh breath.
2. IPX65 waterproof: can be washed whole body, not afraid of water when taking a bath.
3. Low noise design: below 55db, low noise level.
4. Long-term battery life: long standby, about 60 days standby.