Adjustable width massager The central part of the massager can be elastically adjusted, which can be used for both fat necks and thin necks to meet various neck needs Built-in thermostat can warmly penetrate neck skin, Speed up blood circulation, relax neck muscles and improve neck pain It is the best gift for relatives and friends Mini and lightweight design Two electrode blocks are attached to a layer of film, which should be torn off before use, otherwise you may not feel the work It is easy to carry and can be massaged anytime and n anywhere, saving time and money Very suitable for road trips, shopping, camping, parties, offices, etc Powerful function, effectively relieve neck stiffness 3 heating methods, 6 massage modes, 18 intensity levels, gives you a variety of massage options You can choose the most suitable massage mode to achieve the best massage effect Helps relieve neck muscle pain, improve the quality of your sleep, and promote blood circulation Super quiet, suitable for the crowd Two control methods: cell phone and remote control Super quiet Suitable for office workers, game enthusiasts, computer experts, middle-aged and elderly people, wait drivers Safe to use This massager uses low frequency electric shock therapy Wet your neck with wet towel / wet paper towel before use for better massage effect Reminder: prohibited It is used during the implantation of a pacemaker or the transport of metal in the body