Innovative waterless heating technology for quick and efficient heating Digital temperature controller with adjustable heat settings (70-160°F) Includes 12 smooth basalt massage stones (6 large, 6 small) for targeted relief Portable storage/travel bag that doubles as a stone heating oven Quick setup & energy-efficient warming bag for professional or home use Ideal for relieving muscle tension, stiffness, and stress Designed for athletes, spa professionals, and home therapy LCD display for precise temperature control Durable aluminum heating box with insulated interior Long power cord (5.9 ft.) for convenient placement