Features: 1. Outdoor heated seat cushion made of quilted suede, cotton, ox cloth, and heating sheet. Universal and portable design provides warmth for the waist and back, with wear-resistant durability. 2. Safely relax and warm your muscles during outdoor sports, beach outings, or camping. Heated seat activates with the touch of a button. 3. USB interface allows charging via power bank, computer, car charger, and other USB power sources, offering cord-free convenience. 4. Three-level intelligent temperature control with warm, breathable performance. Durable construction features a key switch and adjustment design. Long press for three seconds to start, single click to change levels. 5. Suede fabric is soft, breathable, and skin-friendly. Elastic band secures the cushion in place to prevent slipping. Built-in side pocket for mobile power bank ensures convenient and secure charging. Specification: Material: Quilted Suede, Cotton, Ox Cloth, Heating Sheet Color: Black, Grey, Khaki Product Size: 40 x 40 cm Thickness: 2 cm Product Weight: 480 g Package Included: 1 x Heated Seat Cushion