The Pryme Patriot SPM-1400 Series is a rugged, tactical style lightweight behind-the-head headset with boom microphone and earphone. The noise-cancelling flexible boom microphone provides clear transmit audio while the loud single-ear speaker lets incoming signals be heard. The Pryme Patriot headset has an inline Push-to-Talk button and features a jack for an optional remote PTT accessory (Part number: PTT-1 / Sold separately). Rugged polycarbonate PTT housing for maximum durability. High-quality speaker allows for ideal receive audio. Reinforced strain relief gives unit maximum durability. Compatible with Pryme 6-Pin Hirose Quick Disconnect microphones, earpieces, headsets and throat mics.