Daily cleaning, deep cleaning between teeth The metal structure device inside the brush head allows power to be transmitted to the top of each bristles It can achieve effective cleaning with high-density bristles distribution and 3 times removal of tooth dirt With sonic vibration technology, The brush head produces a flow joint force to clean each tooth deeply, so that your mouth will feel like surfing Andenjoying massage Reminding bristles:It Regular replacement to make oral cavity healthier.syi