Sennheiser PMX 685i Sports In-Ear Neckband Headphones - Black/Blue, 3.5 mm, angled (Discontinued by Manufacturer) These sports afficianados listen to their headphones/headsets during their sports activities in order to motivate themselves further.Connectivity Technology: Wired Therefore these headphones/headsets have been specifically designed and tested to sound good and to stay comfortable, secure and reliable throughout the course of their activity. Headphones