Denon's Globe CruiserTM In-Ear headphones are designed for the frequent business traveler and provide exceptional sound quality, Bluetooth 3.0 wireless connectivity, and integrated controls & microphones for a peaceful yet productive travel experience. An audio cable and airline adapter are included for when wireless is not allowed in flight. Featuring a flexible neckband, articulating In-Ear design, and a multitude of ear tips, these in-ear headphones fit very comfortably on you whether you're dashing thru an airport or sleeping in flight. Also Included: a cable (for times when Bluetooth connectivity is not allowed), airline adapter (for in-flight listening), Silicon-Ear Tips (XS, S, M, L), and ComplyTM Foam Ear Tips, artificial leather carrying case with Karabiner, and USB charging cable. Further enhance your listening experience by downloading the Denon Travel app, available for smartphones.