3M™ PELTOR™ CH-3 FLX2 Headset with PTT Headband Format Earmuff, 31dB (Class 5) MT74H52A-111 (Each)The 3M PELTOR CH 3 Headset with PTT is a next generation protective communication solution that helps workers stay protected in noisy environments while enabling clear communication on their handheld device. Incorporating the newly designed FLX2 connection jack, the CH 3 headset can be easily and reliably connected to a wide assortment of handheld devices. The 3M PELTOR CH 3 Headset with an integrated Push To Talk button on the earcup and the FLX2