ThermoGem Flexible Infrared Heat 3-Gems Pad

Gemstones: Purple Amethyst, Black Tourmaline, Green Jade, and Ceramic Tourmaline Hexagons Surface: Durable mesh fabric and high-end human-made artificial tan eco-leather and suede Features: HEATING, CRYSTAL RAYS, FIR (FAR INFRARED), NEGATIVE IONS, FLEXIBILITY Two Sizes: Medium Size 20x32 inches (50x80 cm) 21x14 inches (54x36 cm) heating area Total weight is 8 pounds (3.5 kg) Power consumption during pre-heating is 100W per hour. Large Size 24x72 inches (60x180 cm) 18x60 inches (45x150 cm) heating area Total weight is 22 pounds (10 kg) Power consumption during pre-heating is 240W per hour. Voltage: Please make sure you buy the right voltage!  ThermoGem Flexible pads are currently available only with 110-120V/60 Hz power input for North America and Japan. These pads will not function in countries with 220-240V power grids. Please check other product lines for countries with 220-240V/50 Hz voltage. Details: For centuries, amethyst has been used to relieve muscle and joint