2.5mm Headset w/ In-line Control- Plantronics convertible headset-Convertible over-the-ear or over-the-head style-2.5mm plug-For mobile and cordless phones (Samsung, Kyocera, Audiovox, Motorola)-In-line volume and mute control-Talking volume control- Microphone volume switch for optimal voice transmission-Hearing aid compatible-Noise canceling microphone-1 Year manufacturers warranty-Black-PLM175C
