"Built on an ultra-durable steel frame, Gobi Heat Terrain Heated Camping Chair allows you to set your ideal temperature with 3 heat settings: low (113F), medium (122F), and high (131F). Your chosen heat level is delivered to 2 heat zones made up of cutting-edge conductive-thread technology sewn into a durable 600-/300-denier polyester and located in the seat and lower back of the chair. The Terrain Heated Camping Chair's efficient 7.4V 6,500 lithium-polymer battery (doubles as a phone charging port) keeps you warm for up to 9 hours on low, 6 hours on medium, and 4.5 hours on high. To date, no other heated camping chair provides the same impressive maximum temperature level or run time on a single, fully charged 7.4V battery. LED battery-life indicator. Battery recharges in 3 to 4 hours using USB charging port. Manufacturer's 1-year warranty. 39""H x 17""L x 25""W. Weight: 11 lb. Ultra-durable steel frame 3 heat settings: low (113F), medium (122F), and high (131F) 2 heat zones in seat and lower back Durable 600-/300-denier polyester Efficient 7.4V 6,500 lithium-polymer battery Keeps you warm for up to 9 hours LED battery-life indicator USB charging port"