dr.bei sonic electric toothbrush y1 rechargeable 3 models waterproof automatic oral cleaning teeth with 2 brush heads

features: - superfine soft bristles, deep cleaning - suitable for 45° bass method - gmsoft sonic motor - charge for 4 hours and brush your teeth for 30 days - 3 cleaning mode - ipx7 waterproof parameters: name: dr.bei sonic electric toothbrush y1 product model: dr.bei y1 rated voltage: 3.7v waterproof rating: ipx7 rated power: 1.2w life time: about 30 days rated input: 5v/0.2a