The Telex Airman 750 weighs just under 4.0 oz. The new flexible mic boom and reduced clamping pressure make it the most comfortable headset available. Crystal clear voice transmissions make it ideal for lower noise cockpits such as pressurized singles and turbine-powered aircraft. For those who prefer to keep one ear open for cockpit conversation, try the new 750-SS. It is TSO-approved and has the same great performance as its two-sided counterpart.