Altec Lansing AHS515 Stereo Closed Ear-Cup Headset with Microphone Soft, foam leatherette ear pads for long lasting comfort. Closed ear cup headphone design improves clarity and reduces ambient noise. Adjustable padded headband. Handy in-line volume control regulates audio level. Microphone volume controller (High-Low-Mute) maximizes communication control. Gold-plated 3.5mm connectors provide superior signal transfer. High performance 50 mm neodymium ear-phones deliver studio quality precision audio. Noise rejecting microphone helps eliminate background noise. Compatible with Skype, Yahoo, MSN, & AOL.