Together with the VistaPlus Digital amplifier, the Plantronics SupraPlus Digital headsets set truly new standards in audio performance whilst meeting Health & Safety requirements that, by their nature, limit the audio performance of headset systems. Memory on board the SupraPlus Digital headset allows the VistaPlus to tune the system performance to optimize to the limits of Health & Safety requirements. Up to 12dB louder than standard headsets, the SupraPlus Digital headset enables higher accuracy & less fatigue in the Contact Centre. Designed for all-day wearing comfort, SupraPlus Digital is available in monaural or binaural versions, and offers either a voice tube or noise-cancelling microphone. Feature Highlights - The SupraPlus Digital headset uses on-board memory to store its characteristics, so that VistaPlus Digital Amplifier can allow the highest sound setting, while remaining within Health and Safety tolerances. - Special Bottom cable to connect to VistaPlus included in the box. - All of the design and comfort benefits of Plantronics best-selling SupraPlus headset, including:T-bar support and floating receivers for all day wearing comfort; Lightweight, stylish and modern design; QuickCall feature short-call convenience; Robust design & construction for exceptional reliability - Wide choice of models to meet personal preferences and working environments: SupraPlus Digital monaural and binaural versions with voice-tube which can be removed to maintain hygiene; SupraPlus Digital monaural and binaural versions with noise-cancelling microphone for optimum call clarity in noisy environments