Features: Heating Neck Wrap with USB Power delivers constant warmth through velvety soft fabric to ease muscle tension, ideal for prolonged desk work or post workout recovery. Breathable materials ensures light weights comfort and airflows, while the 3adjustable button strap provides a customized fit for all day wear without skin irritation. Designed for office professional, fitness enthusiasts, travelers, and outdoor adventurers seeking targeted neck relief during work, gym , or cold weather activities. Use it at your desk to combat stiffness, during flight for travel comfort, or after skiing to soothing muscles – compatible for laptops and powerbanks for on the go. Combines thermal massage functionality with hypoallergenics velvets layers, offering versatile cold weather protections for home, gym, or mountain excursions in portable accessory. Specifications: Component:velvets, USB Size:Approx.66x14cm/25.98x5.51inch Cord Length:Approx.101cm/39.76inch Option Temperature:Red 65℃Blue 55℃,Green 45℃; 2Option Type; Practicality: This neckband not only provides neck warmth in the cold season, but also has massage and hot compress functions to help relieve neck fatigue and pressure. Suitable for various scenarios such as office, home, travel Package Includes: 1pc Neck Heating Pad note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color