Sennheiser MM 550 Travel Bluetooth Wireless Headset for $269.99 shipped.  Here is a screenshot for your reference.  It features a bass-enhanced normal listening mode, NoiseGard 2.0 for noise reduction, stereo Bluetooth wireless technology. It includes a protective case, cable and adapters for use in-flight, USB wall charger and cable.  Most places have wireless headset for about $350.