Terahertz Ore Gua Sha Plate, Round, Fits Your Skin Perfectly, Beauty, Health, Face Massage, Power Stone

Approximately 57mm in diameter, 7mm in thickness (sizes are approximate; each piece is hand-polished and therefore may vary). Terahertz waves vibrate approximately 1 trillion times per second. Luxuriously crafted from nearly 100% pure (silicon) terahertz ore. A power stone that has been gaining attention in recent years.