The Plantronics Cellular & Cordless Headset M124 Promo Bond is a high-quality wired headset with a 2.5mm jack connector. It features a noise cancellation function and a boom microphone for clear communication. With a sleek black color and ear-hook design, this headset is perfect for radio communication and consumer electronics applications. Manufactured in the 2000s by Plantronics, this headset offers a comfortable and secure fit for single earpiece use. Made in China, it does not come with a manufacturer warranty.