About this item 【Color Lights】Green light is an EMS+Massage model that can activate the skin, Improve skin condition. 【Hot Compress Function】Red Light is EMS+Massage+Hot Compress, It only takes 20 seconds to reach 45°C hot compresses to open pores, promoting circulation. 【Cold Compress Function】Blue Light is EMS+Massage+ Cold Compress. It only takes 20 seconds to reach 19°C hot compresses to shrink pores and moisturize the skin. 【3 Levels & Ergonomic Design】This neck massager has 3 intensities that can be adjusted, to streamline the design fit for ergonomic theory, the device is also suited for facial. 【Wireless, Safe And Easy Operation】This neck massager is SAFE, NON-INVASIVE. Wireless design without space limited, 5-10 mins each time and two times each day, promoting your skin quality every day.