Feature: 1. Uniform Heating: The internal heating lines of this heating pad are evenly distributed to ensure uniform heating. Rapid heating technology allows you to feel the heat in seconds. 2. USB Power Supply: The wearable heated pad supports USB power supply, which is suitable for devices with USB interface. 3. Polyester Fiber: The vest is made of premium polyester fiber, and the super large heating pad is wound around the neck and shoulder for maximum effect, making your muscles and nerves feel comfortable and relaxed. 4. Universal: This electric heated shawl is universal for all people that it is suitable for men and women, children and the elderly to keep warm. 5. Practical: The heating pad can help relieve the tension and stiffness of the neck, shoulder, upper back and spine, and promote blood flow. Specification: Item Type: Shoulder Heating Pad Material: Polyester fiber Shawl Size: 60x56cm/23.6x22.0in Size of Heater: 19x24cm/7.5x9.4in Power Supply: USB Power: 10w Voltage: 5v. Package List: 1 x Shoulder Heating Pad1 x USB Heater