｜It only takes 3 minutes to brush and whiten teeth at the same time｜ ｜Clinical institution whitening certification｜ ｜Korea’s most popular tooth cleaning combination| ｜Professional grade blue LED | Can be used for 9 months! Within 9 months, it’s OK to replace the brush head every 2-3 months on average! The "Blue Light LED Toothbrush" uses LED blue light that can activate the whitening agent to discharge pigment substances to the tooth surface to improve the problem of tooth yellowing. The bristles use left 0.1mm ultra-fine antibacterial bristles🔥 It has 99% antibacterial effect and can inhibit the growth of bacteria🔥🔥🔥 It’s not so easy to pick up bacteria in the toilet. Hong Kong is a humid place.