1.Input: DC5V 1A
2.Body-shape design for cervical neck stretcher
3.EVA foam size: 20x15.5x11cm conforms to your cervical
4.Graphene heat pad inside, 65 degree thermostat temperature controller to make sure the safty of heat working.
5.4 levels heat can be choose with Warm/Low/Mid/High can be selection
6.4 timer can be selection: 15mins/30mins/45mins/60mins
7.Easy to operate buttons on the side of the support.