※ This application is an application that is used in conjunction with the Hue Band device.Hugh Band started from the pain of not being able to sleep for years.When we dont get enough sleep, our bodys immune balance collapses and leads to various problems. Hue Band helps to improve concentration and sleep disorders with brain care using microcurrent.The Hugh Band series has the following effects.- Improving sleep difficulties, improving concentration, and improving stress and depression-Immune enhancement, body temperature regulation, daytime memory storage, fatigue recovery, hormone balanceThe whole family can use it once a day for 30 minutes.- When you cant sleep due to accumulated fatigue- When you are frustrated with work stress- When academic concentration is neededVarious Hugh Band Series- Apilgood: Sleep, Stress Relief, Concentration Enhancement, Green Light-Pilsogood: good sleep, good sleep- Apilgreat: Stress (depression) improvement- Amchiling: Strengthen concentration