Xtreme XBH9-1021 offers a seamless wireless audio experience with Bluetooth connectivity. Enjoy clear calls and immerse yourself in your favorite music with its high-quality audio performance. Easily control music playback and phone calls with the multifunction button and dedicated volume controls. The headphones also feature a 3.5mm auxiliary port for wired listening. Experience superior sound and convenience with Xtreme XBH9-1021.