<p>• This product contains one alkaline battery. The battery's power will decrease with usage and time. Once the battery is depleted, it is not replaceable. The blue light function will be disabled after the battery is exhausted, but it will not affect normal brushing. <br>• Dentists recommendation changing your toothbrush every 3 months. If you find the bristles are worn out, you can replace the toothbrush earlier.<br>• This product is for brushing teeth only and it is not a toy. Avoid unauthorized use by children. Please keep it out of reach of children. <br>• This is not an electric toothbrush.</p> <p>DARLIE brings the power of professional blue light whitening straight to your bathroom — fast, effective, and hassle-free.<br><br>What’s Blue Light?<br>The secret behind dazzling smiles at dental clinics — now in a home-friendly, medical beauty-grade 460nm blue light toothbrush. <br><br>Experience 1 Day Speedy Whitening with the Power of Two <br>Pair it with DARLIE All Shiny White Magnificent Toothpaste to have 3X whiter effect, with visible results in just 1 day!<br><br>Why You’ll Love DARLIE Magnificent Blue Light Toothbrush:<br>• High Efficacy: 3X whiter teeth in record time<br>• No New Routine: Just brush as usual<br>• No Charging Required: Always ready to shine with in-built battery<br>• Affordable Whitening: Professional results, home convenience<br>• Waterproof &amp; Safe: IPX7-rated to resist up to 1 meter of water<br><br>Engineered for Unbeatable Whitening:<br>• Diamond Polish Core &amp; Angular Diamond Cut Bristles – uniquely designed to let light penetrate every tooth surface<br>• 100% Blue Light Intensity – patented DARLIE circuit ensures full power, even as battery runs low<br><br>Transform your smile, brighten your confidence, and make whitening effortless — with DARLIE All Shiny White Magnificent Blue Light Toothbrush.</p> <p>Pbt (Polybutylene Terephthalate) + Nylon (Polyamide), 1 Unit Of In-Built Alkaline Battery</p> <p>Store in a cool, dry place away from direct sunlight, fire and high temperatures.</p> <p>China</p>