Meet the device redefining hair care. The DUO system pairs scalp-loving serum pods with four advanced technologies - Red Light Therapy, Microcurrent Stimulation, Scalp Massage, and Therapeutic Warmth - to transform scalp wellness, strengthen roots, and improve hair density, all from the comfort of home. Includes DUO 4-in-1 Scalp & Hair Care Device, Set of 2 BOOST DUO Pods, Wall adapter, USB cable, cleaning wipe and brush, and travel carrying case.