16LED Teeth Whitening Device Dental Bleaching System With 3 In 1 Data Cable 1. The function of the teeth whitening LED light is to promote the oxidation and decomposition of the whitening gel to achieve increased teeth whitening effect. 2. Compatible with any commercial teeth whitening gel or teeth whitening strips to increase the speed of the teeth whitening process. (Note: The light should be used with the whitening gel or whitening strips, which are not included). 3. Our teeth whitening light has 2 adapters for iPhone and Android. you can connect with your phone anytime, anywhere. No batteries or additional teeth whitening trays are required. (Note, please turn on the OTG function on your Android phone to power the teeth whitening light). 4. Simply plug it into your smartphone and use it with your whitening gel. The light is safe for at-home whitening and will not cause negative side effects or tooth sensitivity. 5. Uses 16 high intensity 480-495 nm wavelength blue light which whitens upper and lower teeth at the same time. Very easy to carry and use Package includes: 1 LED light and 3 port converters (USB, 8pin and Android (Micro USB))