FSA Neck Massager:Long time sitting, learning and working will make you feel the pain and stiffness of cervical vertebra,the electric pulse neck massager is combined with modern electric pulse technology, can effectively increase blood circulation and relieve fatigue from muscles to nerves 50 Intensities 9 Modes:The electric pulse neck massager is equipped with 9 modes and 50 intensities;You can choose the corresponding mode according to your different symptoms which help relieve neck pain and fatigue as well as increase circulation and reduce swelling,relieve tired muscles Heat Therapy:Hot compress with three levels of constant temperature helps more effectively increase blood circulation and relax neck muscles;Use twice a day,25minutes each time,is the appropriate frequency of use,you will feel relief from neck discomfort Easy to Use:Cordless design and included remote control make the neck massager more convenient for you to use,it is suitable for various scenes such as after exercise,studying or working;You can set the usage time and the massager will automatically shut down,all you have to do is to enjoy the massage Tips:Available massage method of this electric pulse neck massager is EMS and TENS;It is recommended that you try the gentle strength when you first use it,and graually increase the intensity after the muscles adapt to this way