specification:<br />condition: 100% <br />connector: 3.5mm mini jack<br />microphone flexible cable length: approx. 18cm / 7&quot;<br />connector cable length: approx. 126cm / 49.6&quot; <br />allows to communicate with your riding buddies safely.<br />with velcro to attach with your helmet.<br />works with gps， mobile， cell phone， or other music device that has the same size input.<br /> <br />package included:<br />1 x helmet headphone microphone