Assortment for selected 2-way communication radios Compatible with various 3M™ PELTOR™ Communication Headsets The PTT button is logically placed so that it is easy to access with either hand. The special design also makes it easy to use even with heavy gloves. The PTT button has a specific pressure point with a clear on/off indicator. The jack is at a 10 degree angle to the fixed cord and positioned so that the headset is easy to plug in and unplug in all situations.