Snow teeth whitener

Teeth whitener with whitener pen USB plugs, can plug into iPhone or computer Brush teeth, apply serum by twisting wan a few times, place mouth guard in mouth and plug in for 20 min. Rinse mouth and guard, All set for whiter teeth. Used one time to test then sterilized with Autoclave (a device that uses high heat and steam to kill any pathogens and sterilize any dentist tool or mouth guards.