Improve blood circulation and immune system;made of breathable natural jade stones, heat in wintter and cools in summer;the Asian tradition of heating jade stones for comfort and health.;Relax Muscles ,Relieve Stress and reduce Arthritis Pain and Increase Joint Flexibility.Provides negative ion therapy;7-speed temperature,the temperature can adjustable with a LED display control thermostats

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Far-infrared Heat Therapy Healing Jade Mat/Pad/Mattress/Cool Mat(18x 18)Brown With LED DisplayManchu Autonomous County of Xiuyan Jade Products Co., Ltd.