Fangrui Product Details Effect 99.: Our Uv Toothbrush Uses Uvc-led To Kill On Your Toothbrush To Keep Your Toothbrush Clean And Maintain Good Oral Health Built-in Rechargeable Battery: The Toothbrush Sterilizer Case Has A Battery That Does Not Require You To Purchase Batteries. Using The Usb-c Charging Port, It Can Be Fully In About 3 Hours And A Full Charge Lasts About 2 Weeks Easy And Safe To Use: Put The Toothbrush In The Toothbrush Box And Close The Cover, The Switch To Turn On The For 3 Minutes, Then The Toothbrush Cleaner Auto Turn Off When Finished. The Uv Light Stops Working Automatically When Cover Is Opened (shake Off The Excess Water From The Toothbrush Before Putting It In) A Good Gift: The Toothbrush And Holder Is Made Of High-quality Abs Material, Elegant Appearance, Using Gift Box Packaging, Adopting Dual Cleaning Technology Of Intelligent Cleaning And High-power Fan Drying, It Completely Removes Harmful Substances From The Toothbrush, With A Success Rate Of 99., Becoming A Guardian Of Oral Health. Product