Neck Shoulder Massager Deep Tissue Shiatsu Back Massagers with Heat for Pain ReliefSPECIFICATIONS Origin: Mainland China Certification: CE Model Number: Neck Massager Material: Composite Material Application: NECK Item Type: Massage & Relaxation Choice: yes Trapezius Muscles Massager: Long hours of sitting, excessive electronic device use, and rising work pressure cause frequent tension in neck and shoulder muscles. Incorrect posture and lack of movement lead to fatigue, tightness, and pain. Hence, using kneading and massaging