Lightweight Dual Muff Adjustable Headset Boom Microphone + Inline PTT for Motorola XPR3300e XPR3500e. Double Earphone Light Over The Head headset with left earphone / boom microphone and lapel PTT / microphone. Uni-directional. Stereo quality sound from both ears. High quality speech tuned microphone. Comfortable adjustable metal over the head band. In-line bullet PTT. Industry leading 30lb pull strength at both ends of PTT. Specialized cable for flexibility in various temperatures. Molded stress relief at connector. 3 Year Rapid Response Warranty.