The Airman 750 Single-Sided weighs 2.4 ounces, but it's no lightweight when it comes to performance. A miniature, amplified noise cancelling electret mic provides superior 400 Hz hum rejection. Flexible boom pivots to either side of the head. Stainless steel headband has overhead cord, and the dynamic receiver includes a replaceable cushion that gently hugs the ear.FAA TSO C57a & C58a Approved. This headset does not come with a carrying case.