The DC PRO-A, ultra lightweight headset, with advanced comfort and performance features, comes with a with a 5-pin connector for Airbus aircraft. The DC PRO-A headset is backed by a 30 day, money back guarantee.Features 5-pin connector compatible with Airbus aircraftSoft, Outlast technology, heat absorbing head pad Plush, rest-on-ear (supra aural), leatherette ear seals reduce heat buildupRugged, yet lightweight alloy suspension, just 7.5 ouncesDual volume controls allow setting of independent listening levels in each ear