Sterilization Effect 99.9%: 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, press the switch to turn on the sterilization for 3 minutes, then the toothbrush cleaner will 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 99.99%, becoming a of oral health. Product name: Portable toothbrush disinfection box size: 23 x 5 x 5cm Material: ABS colour: C-grey Package Contents: 1 x Toothbrush sterilization box 1 x charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.