Open ear headphones rest on the bone in front of your ear, and allow you to actually hear your audio output, while keeping your ears unobstructed and able to process other sounds and conversations around you. They use bone conduction technology to to deliver crisp, clear sound directly through your cheekbones. Through the multifunction button on the headphone, user can control volume, pause/play, call answer/end, and access to Siri. 5 hour battery life on a 2 hour charge. 49 foot Bluetooth range.