Function:
Massage every points of your body and stimulate the veins.
Improve the blood circulation.
Smooth away the pains in the loins and back; relive the fatigue.

It's uncecessary for the other power supply, only 2pcs large-size dry batteries for almost 6 hours' continuous automatical massage, anytime anyplace is ok to use.

Pacakge contents:
1x massage pillow