Professional Teeth Whitening Kit, Advanced Blue LED Light, Smartphone Adapter Features: [ Upgrade Blue Whitening Light ] The LED teeth whitening light to remove the yellow tooth or tooth stains, collocating teeth whitening gel (not included), or teeth whitening strips (not included). It needs to use the teeth whitening kit tooth for 30 minutes every day to have whiter teeth, and enhance your tooth whitening process. [ 4 in 1 Adapter] Our 16 LED gleam teeth whitening kit supports iPhone, Android, Type-C and USB Power Bank, you can connect with your phone anywhere, anytime, very convenient to remove coffee, tobacco, wine, and tea stains from teeth. [ Using ] Simple, easy, and hands-free, very convenient for home use and outdoor use like Reading\/Watching\/Sports\/Business Travel, teeth whitening effect after usage and making you smile brighter and confidently. Package Included: 1 x 16 LED Teeth Whitening Light 1 x 4 In 1 USB Connector Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)