Product description: ★It is an advanced and effective product. The energy of natural jade can effectively promote blood circulation. ★After the jade is heated, the energy will slowly pass through the human body 14 to 15 cm (5.5 to 6 inches). ★It is not only good for surface muscles, but also good for all cells in our body, including blood vessels and nerves. ★Can promote blood circulation. Eliminate stress, relax body and mind, and help sleep. ★Shielding static electricity and electromagnetic wave radiation, portable and durable, very suitable for beautifying the environment and health care. Features: Product size: 50cmX150cm Voltage: 110V / 60HZ Material: high-grade PU + jade Massage area: whole body The package includes: 1× massage mattress heating pad.