Volt Heat Heated Travel Pillow The Volt Travel Pillow strategically places the 5-volt heating system right at the base of your neck to provide warmth and comfort while you relax. The Volt Zero Layer heat system helps eliminate bulk while providing more efficient heat transfer than any other heating system available. The interior of the Travel Pillow is a high-density memory foam that molds to your neck and helps to cradle and support your head. The memory foam is covered by a removable polyester fleece fabric that is machine washable. Select the heat you desire from 3 power level settings with the push of a button using the built-in controller. When you aren't using the battery to power your Volt product you can use it as a back up charging device for your cell phone. Don't leave home without the Volt 5V Heated Travel Pillow! Features: Poly fleece cover Heat panel at the base of the neck 3 position push button controller regulates the heat level Memory foam pillow Ultra-thin stainless steel heating wires permanently bonded to the lining fabric Machine washable cover Includes one VB530 5V 3000mAh USB power bank rechargeable battery and charging cable Zero Layer heat system Volt Heat 5V Heated Travel Pillow