Pioneer’s IRONMAN Wireless Sports Earphones with Bluetooth® connectivity were designed to keep the music playing while you focus on your workout. Simply clip these portable headphones to your clothing and the gentle grip will keep them in place while you focus on your workout routine. The IRONMAN® Wireless Sports Earphones offers up to 8 hours continuous music playback or talk time. They are sweat and water resistant (IPX4 rating), to allow for both indoor and outdoor use.