Clear Sound. Skype? Certified Easy to slip on and off; even easier to use with intuitive inline controls. Skype Certified， with DSP and noise-canceling microphone to deliver crystal clear conversations. 24-bit hi-fi stereo HD sound pumping out of comfy foam ear pads make it a pleasure to stay connected. ? Extremely lightweight and comfortable - quickly slip it on and take it off. ? Skype Certified for a better chatting experience， plus easy-to-use volume， mute and call controls. ? Easily answer and end Skype calls with convenient inline controls. ? Digital Signal Processing cancels echo and boosts voice signals to deliver dynamic sound quality. ? 24-bit hi-fi stereo sound is digitally equalized to give enhanced HD sound for making Skype calls， listening to music or watching videos. ? Noise-canceling microphone works with DSP to block low-frequency noise and provide crystal clear conversations. ? Comfortable foam ear pads and lightweight materials for easy calls. Headset Controls ? Call Button ? Answer/end call ? Volume buttons + and - ? Change volume ? Mute microphone button ? Mute mic on and off ? Skype? Certified for a better chatting experience ? Answer and end Skype calls right from the headset ? Noise-canceling microphone cancels noise， not your voice ? Digital Signal Processing scrubs static and kills echo