If language is important to your business, so is SupraPlus Wideband Customer Communication with Demand- Wideband Frequency Spectrum enables more natural sound and clearer communication- Fully compatible in standard bandwidth environments- Optimal voice quality for first-class communication- Noise Cancelling function hides background noise and reduces distraction Keeping to a minimum Ergonomic design for wearing comfort a working day long – Headband for intensive use on one piece. - Proven stability at millions of locations. - One-ear and two-ear option for variable needs and requirements. - Quick Disconnect function to leave the workstation without removing the headset.