FeaturesNoise-cancelling microphoneClear, detailed sound for a better conversational experienceWireless range up to 180 m (590 ft) with line of sightQuality design with its award-winning iconic designUp to 12 hours talk timeThe Sennheiser DW Office Phone DECT Headset is a stylish professional cordless DECT headset that has been designed specifically for desk phones.With its sleek modern design, this headset is ideal for people who spend much of the day talking on the phone. The Sennheiser DW 10 Wireless Headset connects to your office phone via an RJ11 telephone cable and is compatible with the majority of handset models.The DW Office Cordless Headset is an extremely comfortable headset, with a generous talk time of 8 hours, making this an ideal headset for all-day use. It comes with both a headband and an earloop, so you can choose the style that most suits you, and its monaural style means that you can keep one ear on what is going on around you whilst talking on the phone.Sennheiser is world-famous for the incredible sound quality of its microphones and headsets, and its DW Office range is no exception. Its noise-cancelling microphone filters out background noise so that you can be heard perfectly by the person you are talking to and its wideband sound delivers face-to-face quality conversations. The DW Office Headset also provides protection against acoustic shocks, thanks to the integrated ActiveGard technology, which automatically limits volume to a maximum of 85dB.With an extensive range of 180m in open spaces and 55m in offices, the DW Office Headset gives you the freedom to move around freely and work at the same time as you talk. This model is ideal for use with handset lifters and electronic hook switches, which make it possible for you to answer and end calls without being next to your telephone.The Sennheiser HSL 10 handset lifter is a mechanical device that lifts the receiver when a call comes in, so you can take calls directly from your headset while away from your desk. You\'ll hear a short beep when a call comes in, and you can answer by simply pressing a button on the headset.