Jabra Pro 900 Mono wireless headset is optimised for use with all leading desk phones and softphones, Long range - take calls over 100 metres away from your desk, World-class sound - HD Voice & noise-cancellation, Easy to use - Plug-and-play with 12-hour battery | Wireless headset range - Bring your conversation to the coffee machine, colleague or private room. The Jabra PRO 900 DECT variants give you the wireless freedom to walk and talk at a range of up to 120 metres | World-class sound - Lifelike conversations require great, ambient-noise reducing speakers and a noise-cancelling microphone that also avoids air shocks | Easy to use with all-day battery - Jabra PRO 900 is easy to set up and get started. Each headset comes with a pre-connected charging base so you can make calls straight away. With up to 12 hours of battery time, you'll never have to worry about running out | Crystal Clear Sound - Digital signal processing (DSP) reduces background noise and removes echo. It also protects the user against sudden high peaks in volume | HD Voice lets you have lifelike, vibrant conversations. You will not have to struggle to hear what the other person is saying | Customise your settings with Jabra's software applications. You get full integration and remote call control with the latest generation of softphones | Noise-cancelling microphones reduce unwanted background noise and are ideal in crowded and noisy open working environments | PeakStop instantly removes any harmful loud sounds before they even reach your ears. This keeps the sound level in the safe range and protects your hearing | Remote Asset Management - Configure all of your company's audio devices remotely from one central point by using Jabra Xpress, a web-based solution. You also get a full overview of all headsets installed in the IT network | Remote Call Control - Control calls directly from the headset. Answer and end calls, adjust volume, and mute the line with the press of a button - SafeTone - Jabra SafeTone includes Jabra PeakStop and Jabra IntelliTone - enhanced hearing protection technology. It automatically limits the average volume exposure during your work day and keeps it within acoustic standards | Talk in Comfort - Find the perfect fit with a range of light, ergonomically designed frames, soft ear cushions, adjustable headbands and microphone boom. Your headset will be comfortable all day long