Feature:1. Enjoy the Warmth: Supports 3 heating level, the heated seat cushion has large heating area for both seat and backrest, very comfortable for you.2. USB Power Supply: Designed to have USB interface, the electric heating seat pad is compatible with 5V 2A output from power bank, very reliable.3. Premium Material: Hook and loop fastener ensures firm fixing, Oxford cloth is waterproof and durable, also has comfortable quilted cotton suede.4. Wide Application: Can be installed on beach chair, camping chair, folding chair, lawn chair, etc. for fishing, stadium and so on, very useful.5. Convenient Carry: The foldable chair cushion has a light weight and a compact size as well, making it very convenient to carry for outdoor use.Specification:Item Type: Heated Seat CushionMaterial: Quilted cotton suede, cotton, Oxford cloth, heating piece. Power Supply Method: USB InterfacePower Bank Requirements: For power bank with 5V 2A output. Applicable People: For men and women. .Package List:1 xHeated Seat Cushion1 x User Manual