MediCrystal Far Infrared Amethyst Tourmaline Mats with Natural Crystals - Adjustable FIR Heating 30-70°C and Negative Ion Functions.
Crystals: 50% Amethyst, 50% Tourmaline
Voltage: 220-240V, 50 Hz for Europe, Asia, and other countries with this voltage
Amethyst and Tourmaline Isolate and Concentrate Healing Infrared Rays in the most bio-compatible Wavelength 4-16 µm, and emit them up to 15-20 cm deep into tissues. Warm Stones Naturally Release Negative ions and Far Infrared Deep Impact Heat. Classic Hot Stone Mat brings Vital Natural Forces of Fresh Air, Mountains, Waterfalls, Sun Warmth into your Home just in the Middle of Modern Civilization.