KWISY NECK MASSAGER TENS + EMS double pulse technology, deeply massages muscles, relaxes the cervical spine, relieves neck fatigue, and effectively improves various neck problems such as shoulder and neck tension, aches, pains, stiffness and discomfort.KWISY NECK MASSAGER Three levels of constant temperature hot compress (42/47/52 ) can effectively promote blood circulation, open blood vessels, relieve neck pain, and relieve cervical spine pressure.KWISY 4 massage modes, 9 adjustable intensity, you can freely adjust according to your personal tolerance and preference.KWISY NECK MASSAGER Small and light body, pendant style innovative design, comfortable to wear, easy to carry, enjoy comfortable massage anytime, anywhere. KWISY NECK MASSAGER Ergonomically designed electrode pads conform 270 to the curves of various body parts, such as legs, arms, shoulders and neck.