Patented carbon fiber non-metallic heating element built-in to keep your lumbar super warm and to support your back. Perfect for the relief of the lower back pain. Powered by AA batteries to heat up within 5 min. and heat lasting up to 420 min.With Far Infrared function F.I.R.
PETATECH INTERNATIONAL CO., LTD. 6F., No. 101, Zhouzi Stl., Neihu District 114, Taipei, Taiwan, R.O.C.
