The Logitech H570e is a comfortable and user-friendly headset. Once the USB cable is connected to your laptop or computer, the device is ready to use. The microphone is noise-canceling and DSP (Digital Signal Processing) ensures that you are not bothered by ambient noise. The lightweight design, padded headband and leatherette ear tips allow you to wear this headset for hours on end. The integrated buttons on the cable allow you to answer, end and change the volume. This mono variant contains one speaker.