2pcs Dental Mobile Teeth Whitening LED Lamp Light Bleaching Machine Cold Light HP-XJZ-122 Description We often focus on our appearances and the health of our lives, but we often neglect our dental health. Yellow teeth always put our lives in an embarrassing situation. This leads to stiff expressions when we are afraid to show our teeth in photos, and it also affects our overall temperament and the impression others have of us. This is why you must use our LED dental teeth whitening machine, LED technology brings you a more efficient and safer dental experience, allowing you to bloom your smile from now on. Key Features LED Rejuvenation Technology: The LED light activates the whitening gel and oxidizes the pigment on the teeth through the dentin canal in a short time, discolorin.