Features: PORTABLE DESIGN: The portable, triple-heated cushion features a foldable design for easy portability. It features a convenient carrying handle, allowing it to be hand-carried or hung from a bag. EXCELLENT MATERIAL: The cushion is made of high-quality Oxford cloth and abrasion-resistant material, which offers excellent abrasion and tear resistance while being durable. ADJUSTABLE TEMPERATURE: Whether watching a game at the stadium or spending time outdoors in cold weather, the temperature can be adjusted to meet your individual needs. USB POWER: The portable heated seat cushion is USB powered, making it versatile and suitable for use in many different situations. MULTI-PURPOSE: Ideal for sporting events such as soccer, basketball, or baseball games. It's also great for outdoor activities such as camping and fishing. Specification: Item Type: Portable Heated Seat Cushion Material: 600D Oxford cloth, 300D brushed fabric, foam, heating pad Package Content: 1 x Seat Cushion 1 x User Manual Note: This product does not come with a power supply (no power bank). You need to purchase a USB power source separately to operate the cushion.