The SupraPlus Digital Monaural Headset works with the VistaPlus adaptor to optimise audio performance in Health and Safety aware work places. The headset uses on board memory to store the exact parameters characterising each individual headset. It reads these parameters and tunes its setting to best match with the headset and lifting the receive level to enhance ease of listening, while staying within EU noise limits. Please note that this headset can only be used with the VistaPlus adaptor. Key Features: - Heavy-duty call centre headset - Single earpiece - Stylish modern design - Lightweight design ensures all day comfort - Excellent sound quality - Wideband frequency response - QuickCall feature for convenience on short calls - Designed for the most demanding environments - Reliable construction - Rubber T-pad for natural support - Black with foam ear cushions - CE approved - Weight :49 grams