DESIGN & DETAILS: Innovative sleeping bag pad that is designed to warm the body as you sleep Features built-in heating panels made with ActionFlex material Lightweight construction that provides comfort and warmth ActionHeat items use FAR infrared heating and ActionWave heat for reflective technology that delivers hours of heat Comes with charging kit Press and hold touch-button turns the sleeping bag pad on and controls the temperature LED power indicator displays power bank battery life TECH SPECS: High/Red- 2 hours of heating time Medium/White- 3 hours of heating time Low/Blue- 5 hours of heating time