【 Relieve Muscle Soreness Effectively 】Back neck massager has 4 Powerful 3D Massage Nodes with automatically changes direction every min. Massage can accelerate blood circulation, can relax neck pain, back pain, foot pain, shoulder pain, leg pain even your full body pain and tight muscles.【 Safe & Convenient To Use 】15 Minutes of intelligent timing, easy to grasp the length of massage. Overheat Protection Device when the massager exceeds working temperature, the safety device will automatically shut off the motor to ensure user's safety and prevent damage to the unit. (Both AC adapter (110-220V ) and Car adapter (12V DC) are included by shiatsu massage pillow.【 Freely Selectable Heating Function 】Hot compresses can accelerate blood circulation, so we designed a selectable heating function on the neck back massager. Suitable for human body temperature (113℉/45℃) heating temperature, can prevent you from low temperature burns, and assist the massage pillow to give you a comfortable deep tissue kneading massage.【 The Best Health Gifts 】Back neck massager adopt the sofa fabric with softer touch sense and skin-friendly. massager