The 602 Lithium Battery, like all of our FIR heat products, has a simple temperature control interface to ensure that you can customize the heat with a simple press of a button. Select from Max / High / Med / Low for utmost relief and relaxation during your Far Infrared Ray Therapy session. An automatic 30-minute timer preset is also programmed into the 602 battery as an added safety feature.

Compatible with

• Heated Base Layer for Men and Women


• SG-10 Glove Liner


• 691 +Venture Jacket for Women


• 690 +Venture Jacket for Men


• SG-43 Unisex Heated Gloves


• SG-40 Unisex Gray Gloves


• SG-42 Ladies Heated Gloves