Sennheiser Momentum Supra Aural On-Ear Headphones (Brown) Bundle with Custom Design Zorro Sounds Cleaning Cloth The Sennheiser Momentum Supra headphones are stylish, high-quality on-ear headphones. They are lightweight and comfortable, with durable metal construction on the earcup and earcup sliders. The ear pads are covered in Alcantara, a soft, durable suede-like material. The Momentum Supra headphones give you high-performance audio reproduction with rich, detailed sound. The Momentum Supra comes with a soft zippered storage pouch. The Momentum Supra has a closed-back, supra-aural (on-ear) design which isolates much of the background noise. The headphones are equipped with high-performance neodymium magnets. The impedance is lowered to 18 ohms so it will play portable devices at high volumes without overdriving the device's tiny amp. The Momentum Supra headphones are equipped with two exchangeable 55" audio cables, both with 3.5mm plugs. One cable is equipped with a right-angled plug and an in-line remote/microphone. The other has a straight plug, but no remote. The cables connect to the left earcup via a 2.5mm sub-mini plug that twist-locks in place to prevent accidental disconnection. The included 3.5mm-to-1/4" plug adapter can be used with either cable. The 3-button Smart Remote lets you control your iPod, iPhone, iPad, and recent versions of Macbooks. The outer buttons control volume up and volume down. The center button controls music playback (play, pause, play next song, play previous song) and phone functions (accept call, end call, reject call, voice control). In addition, the Smart Remote has a built-in microphone.