LED Chromotherapy penetrates deep into your skin to activate the light receptors in your skin cells, addressing specific skin concerns while Sonic Technology (Low Frequency Stimulation) gently regenerates skin cells, helping them increase their metabolism, blood and lymphatic circulation and helps enhance the penetration of active ingredients in skincare products. The Optimizer Voyage Tri-Light is also now rechargeable, and you now have the ability to activate or deactivate the Sonic Technology (Low Frequency Stimulation) feature. Customize and enjoy 5 benefits at one-go! Repair with the Red Light (625nm) - Renew and repair damaged skin cells. Increase collagen and elastin production. Best paired with Collagen and Coenzyme Q10 Serum. Glow with the Yellow Light (590nm) - Revive dull skin for a brighter complexion. Best paired with Chlorella and Vitamin A Serum. Soothe with the Blue Light (460nm) - Alleviate acne, oily or congested skin and calm skin sensitivity. Best paired with Licorice and Vitamin C Serum. Optimize & V-Sculpt - Boost absorption of active ingredients in skincare products and achieve a lifted V-shape facial contour and reduce water retention.