Sonic Electric Toothbrush DY161

Description： 【Powerful Sonic Technology】the vibration frequency is up to 35,000 times per minute, breaking the toothpaste into fine foam, removing residual food and plaque. In addition, the vibration of the bristles has a massage effect on the gum tissue, promotes the microcirculation of the gums, prevents gum recession, and reduces gum Bleeding and mouth ulcers, so that the teeth are not allergic to hot and cold stimulation. 【Fading Reminder Bristles】8 replacement brush heads included, when the blue bristles in the middle fade and turn white over time, this indicates that the brush heads need to be replaced for best results. More than 40% high-density bristles and "W"-shaped design can thoroughly penetrate the gums and deeply remove stubborn stains. The rounded bristle ends protect the gums. It is recommended to replace the brush head every three months. 【2.5 hours charging 120 days】The electric toothbrush comes with a rechargeable battery that lasts at least 120 days from a 2.