14 Smart Mode2Smart Display3Long Battery Life4Quick Start Guide5IPX7 Waterproof1Dual-Action Cleaning2Soft-Start Technology34-ZONE Bristle Brush Head4Comfortable Grip Handle5Travel-Friendly1Bixdo Glossonic2Dedicated Support3Built for Different Smile4Thoughtful Gifts5What's Included. Bixdo Glossonic Brush PRO. Replacement Heads for Air. 4*Whitening Pap Toothpase. How does the blue light whitening technology of Bixdo Glossonic Brush Air sonic electric toothbrush work? Two jobs, one light. 450-470nm blue light activates the PAP whitening agent to break down surface stains, while a patented light-guide filament channels light through the bristles to reach between teeth and the gumline. Auto-activates while brushing. What is PAP, and why is it gentler on enamel than peroxide? PAP (phthalimidoperoxycaproic acid) whitens by oxidation without hydrogen peroxide: no free-radical enamel stress and minimal sensitivity for daily at-home use. The active in Glossonic whitening toothpaste, with our electric brushes. Is the blue light safe for my teeth and gums, and can I use it daily? Yes. Our blue light is not UV — it is visible blue light classified Exempt (RG0) under IEC 62471 photobiological safety testing. Output stays well within limits for oral tissue, with Gum Care mode and shock-absorption to protect gums. How long until I see whitening results, and how much whiter will they get? Most users see visible brightening within 2 weeks of twice-daily use with our whitening toothpaste. In a 28-day human trial, whitening was statistically significant by day 14. Results vary by starting shade, diet (coffee, tea, wine) and consistency. Can I use the Glossonic Brush Air if I have sensitive teeth, and how do I start? Yes. PAP replaces peroxide, the ingredient most often linked to whitening sensitivity. Glossonic Brush Air adds a Gum Care mode with reduced vibration plus rounded-tip filaments — start there and increase. See your dentist for severe sensitivity.