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 built-in rechargeable battery that does not require you to purchase additional batteries. Using the USB-C charging port, it can be fully in about 2 hours. A full charge lasts about 15 days. Easy 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. When sterilization open the cover toothbrush UV light auto stop working. Designed with ventilation and drainage port, avoid toothbrushes that become moldy and harbor in an airtight, humid environment(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, a good choice to give as a gift to relatives and friends. Colour:White Material:ABS Size: 74 x 74 x 30mm Package Contents: 1 x toothbrush disinfection box 1 x USB 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.