New technology is safer and more efficient- The heating neck guard adopts the latest graphene heating technology, which is safer and produces more average heat to the human body compared with the traditional carbon fiber heating system. Deep Relaxation Heat Neck Wrap- This heated neck brace is focused on solving neck stiffness and soreness. Heats up in seconds for an ultra-comfortable heat treatment for the neck. Especially suitable for writers, students, teachers and people who use computers frequently. Easy and Convenient to Use- This neck heating pad can be used anytime, anywhere. Just plug it into your PC, power bank or USB adapter and you're ready to go. You can use it at home or in the office for short breaks, long trips to relieve fatigue, muscle stiffness and neck pain. Perfect for birthdays, Thanksgiving gifts and Christmas gifts. Designed with Magnetic Buckle for a snug fit- This neck heat pack is designed with a slightly weighted magnetic buckle, which not only frees your hands, but also makes your body more compliant. 3-speed adjustable temperature 45C-65C (113F-149F) can meet most customers' requirements for hyperthermia.