Heated Camping Chair, Outdoor Portable Folding Lounge ChairsHeating Chair: The heated camping chair has 2 control buttons. Lower button controls seat heating, upper button controls back heating, turn on both buttons to heat up at the same time. You can choose to heat the back or the seat or both, the portable camping chairs heat fast, warm and comfortable. 3 Levels of Temperature: The chairs have 3 heat settings to keep you warm for hours in the cold. You can control and adjust the heat to fit your needs.