100% no sensitivity and guarantee shade lighter - LED Teeth Whitening treatment give excellent result 2 Devices in 1 One of the most exciting features of this device is that you can offer teeth whitening alone or with a facial light therapy session using our non-peroxide cosmetic teeth whitening products. With 8 settings, 8 wavelengths, and the power of 267 LEDs, Audro Is the only machine that will whiten teeth and give your skin a treatment at the same time.