Kick back and relax in comfort even in cold weather at the campsite while cheering on the sidelines or rallying at the tailgate with the Coleman OneSource Heated Chair. Power your heated chair using the lithium-ion rechargeable battery an interchangeable battery that works with all Coleman OneSource products and eliminate the need for multiple power sources by charging your devices through the USB port. This chair pad has 4 adjustable heat settings so you can pick the right level of warmth all season long. Flip the pad up or down to heat your back or seat. One fully charged battery keeps the heat going for 1.5 hours on high (133°F) 2 hours on medium (123°F) 3 hours on low (113°F) or 2.5 hours on pulse setting (low to high). More stories around the campfire or game going over? Double the run time—and comfort—by adding a second battery (not included) to the dual port dock that also charges your phone or other devices. Sit and relax for hours—the suspension sling chair frame with an angled high back and arms has your back. No gap in the fabric between the armrest and the seat means cool breezes cant sneak through while the weather-resistant fabric and a nontoxic PU coating help protect the chair against unexpected drizzles and water.