Monaural headset features 40mm, wide-band bass enhanced speakers that provide powerful sound output for a true-to-life audio experience. Noise-canceling microphone eliminates distracting background noise for clear conversations. Bendable microphone boom allows you to position it in an optimal location that's not too close or far away from your mouth. Leatherette ear cushion offers a comfortable fit while providing lasting durability. Both 3.5mm and 2.5mm audio jack pins are included for universal compatibility. Headset is designed for mobile phones, tablets and computers, and the large installed base of deskphone-handsets.