1Reduce Fatigue: Neck massage patch with low frequency pulse massage technology, gently stimulates muscles and cells to relieve fatigue. 26 Modes: Cervical massager sticker with 6 modes for you to choose, which can let you experience professional neck and shoulder massage service. 315 Strength: Cervical massager sticker with 15 levels of strength for you to choose, which allow you can experience professional massage service. 4Relieve Soreness: Cervical massage patch with heating function, 1530 minutes a day is recommended, which can effectively relieve muscle soreness. 5Auto Shutdown: Electric neck massage sticker default working time is 15 minutes, the machine will automatically shut down when working after 15 minutes.