Comfortable Fit & Wear - The earcups and headband are adjustable to ensure the perfect fit, while the custom padding provides a soft comfortable fit. Built-in Microphone - The built-in microphone is omnidirectional which picks up sound with reliability and is flexble which allows you to adjust the position for optimal performance. Volume Control - With the conveniently located volume control, you can easily adjust the volume at your fingertips. Dual 3.5 mm Connectors - The dual 3.5mm connectors allow the headset to work directly with your computer through direct plug and play. 4 Band 3.5 mm Connectors - The 4-band 3.5mm Jack allows the headset to work directly with most mobile phone/audio devices. The Xtream H5 Multimedia Headset with Microphone are stylishly designed for active lifestyles. The 4-band 3.5mm Jack allows the headset to work directly with most mobile phone/audio devices. The 3.5mm Adapter allows you to use the headset on computer systems that require separate input/output