1Perfect Relaxation: Rhythmic motor vibration, regular stimulation of neck muscles, speed up cell circulation, dredging meridians, comfortable and relaxing, massage tense muscles to reduce muscle fatigue, relieve neck caused by working in front of desk or smartphone. Pain and fatigue. 2Simple Operation: Wet the neck skin before use, then put the electrode pads against the skin of the cervical spine, adjust the position of the cervical spine massager, and then select the mode and strength to start the massage. 3Safe Secure: The cervical spine massager uses low frequency weak current that is harmless to the human body. 4Convenient Portable: Light, compact and foldable, the size is similar to that of sunglasses, and the pocket can also be easily installed, which is convenient to carry out and use. 5Ideal Gift: The cervical massager is suitable for home, office, business trips, and other places, it is a great gift for relatives, elders, friends, clients, etc. 6Precise Massage: 45C constant temperature and heat, you can choose your favorite massage mode, 10 modes and 15 gears, low frequency electric pulse hot neck massage, to meet various neck protection needs. The U shaped neck design fits the physiological curve of the neck.