Features1Main Function: The neck brace can effectively improve blood circulation, promote metabolism, and dredge the meridians. 2Scope of Application: Enhance immunity, suitable for symptoms such as bone hyperplasia, neck pain, arthralgia, etc. 3 Modes: 3 levels of vibration massage and heat therapy are brought to maximize the relaxation of the neck. 4Daily Backup: You can take a short break at home or office and travel for a long time to relieve fatigue, muscle stiffness and neck pain. 5Ergonomics: The ergonomic shape is upgraded with U?shaped design contour, which perfectly fits the neck, allowing you to enjoy the full coverage of the neck hyperthermia.SpecificationItem Type: Heated Massage NeckbandMaterial: Carbon Fiber + Ok ClothTemperature:Green Light: Lowest, Temperature Range is 45c to 50cBlue Light: Medium, Temperature Range is 50c to 55cRed Light: Maximum, Temperature Range is 55 to 60Massage Mode: Strong Red Light, Moderate Blue Light, Soft Green LightScope of Application: Suitable for Neck Pain, Sprains and Strains, Muscle Pain, Spinal Pain, Postoperative Rehabilitation and Injury SupportPackage List1 x Neck Protector