Features： 1、Vibration Massage: Electric neck brace uses vibration massage to care for the neck and awaken the vitality of the cervical spine, allowing you to enjoy life easily. 2、Intelligent: This neck massager can operate in a set temperature range, fluctuate according to the ambient temperature, and avoid prolonged high temperature damage. 3、Fit Neck: Neck heating pad is 3 dimensionally cut according to the neck curve, showing a natural curved surface, which is more suitable for the cervical spine. 4、Adjustable: USB neck therapy pad has 3 gear temperature controls, you can adjust the temperature according to your different needs. 5、Skin Friendly: This neck massager is made of high quality skin friendly fabric, which fits the neck when massaging, making it softer and more comfortable without any discomfort. Specification： Item Type: USB Heated Neck Wrap Material: OK cloth, carbon fiber Size: Approx. 52 x 13cm / 20.5 x 5.1in Usage: Heat massage neck, relieve neck fatigue Package List： 1 x USB Heated Neck Wrap 1 x USB Cable