Spracht ZŪM Stereo 3.5 and USB Headset - Stereo - Mini-phone (3.5mm) - Wired - 140 Hz - 20 kHz - Over-the-head - Binaural - Circumaural - 5 ft Cable - Noise Canceling Designed for high-demand use, this universal headset features a 3.5mm plug and USB adapter to connect to tablets, smartphones and computers. Powerful, 40mm speakers provide a crisp, high-quality experience with excellent bass for every call. Noise-canceling microphone filters ambient noise around you to ensure your voice will be heard for clear, more natural conversations. Easy-to-use inline controls put you in charge of your sound experience for quick, simple adjustments. And with plug-and-play technology, just plug the headset in, and it's ready to use with no special software or drivers. Headset is compatible with all Windows, Mac and Linux systems.