With the Prime Brands Group NFL Bluetooth Headphones you don't have to compromise on style or quality. With its crisp sound and impressive bass, you'll get an extraordinary listening experience. The adjustable headband and comfort ear cushions provide a perfect fit. It has a built in microphone for mobile phone calls & Micro SD slot. The headphone has a practical folding function that makes it easy to bring with you. Official NFL Team logo and colors! Includes 1 Year Manudacturers Waranty.