Feature:1. Electric Pulse: The low frequency pulse electromagnetic transmits to nerve cells, effectively improves blood circulation, and relieves neck fatigue.2. Adjustable Modes and Levels: The neck massager has six modes and 9 levels of intensity, you can freely adjust it according to the situation.3. Fit Well: Ergonomic design, the neck massager seamlessly fits the neck curve, U shaped neck, fits the neck, and the massage is more in place.4. Stretchable and Lightweight: Elastic arm design, good rebound, strong toughness, small and lightweight, the massager can be used anytime, anywhere.5. Long Battery Life: Cervical massage device has built in lithium battery, fast charging, long battery life, relieving shoulder and neck pain.How to Use:1. Before use: Wet the skin surface of the cervical vertebra, wear the product on the neck, make the electrode pads close to the skin of the cervical vertebra, and adjust the position of the product.2. On Off button: Turn on or turn off the massage function, the default automatic massage mode is turned on, short press the massage mode switch, there are six modes to switch3. + button: short press pulse intensity adjustment, there are 9 kinds of intensity adjustable4.‑Button: Short press pulse force reduction adjustment, there are 9 kinds of force adjustableSpecification:Item Type: Neck MassagerMateri