Clear sound transmission: With a high-quality sound transmissoion, built-in microphone, high purity copper wire, and anti-Interference circuit design, this microphone ensures the sound is received and transmitted clearly even in a loud environment. | Compact and Portable Design: The UV5R to earmuffs cable features a compact and lightweight design, making it easy to use and operate. Its small size allows for convenient use in outdoor activities, such as camping, hiking, or during emergencies. | Durable Construction: With a high impact-resistant, SMT electronic board, combined with precise molding technology, this push-to-talk microphone is built for tough mission-critical use and is built to withstand knocks and bumps. | Enhanced functionality: Connect your Kenwood K1 type radio to Walker's style earmuffs, wired headphones, or portable speakers. | Versatility: male to male 3.5mm cable provided to connect from our push-to-talk to you ear muffs, speaker, or vehicle with a supporting Auxiliary jack.