The beats by dre Solo3 Wireless home/studio-style Bluetooth wireless headphones have a closed on-ear design. These headphones are intended for use with Bluetooth enabled audio devices including cell phones as well as cable connected audio devices, and have a wireless reception range of around 33 feet. The headphones have a built-in microphone and integrated volume, music player function, and call connect/disconnect Bluetooth controls. The Solo3 Wireless has earcups that fold for ease of storage and carrying, and comes with a detachable 52-inch long audio cable with a built-in mic and call answer/music player control button for iPhone/iPod/iPad and smartphone use (the cable's 4-contact mini-plug may not be compatible with other audio devices), a USB charging cable, and a carrying case. It is covered by a 12-month warranty.