This headphone is custom made for Pioneer Inno
and Samsung Helix XM radio receivers. The XMF5X002-HW headphone antenna is excellent when tucking the XM2go receiver in your pocket, backpack, or armband. It produces great sound quality when jogging or at an athletic event, with the easy-to-control in-line volume feature. The antenna is also "water-resistant" and its seamless integration of the wireless antenna into this custom fit design offers comfort and hands-free convenience.