View larger Included dock charges and pairs the headset Logitech Wireless Headset Dual H820e Roam-free, Distraction-free Communication Logitechs best wireless headset combines enterprise-quality audio with the ability to move freely around the office. Now you dont always have to be at your computer to answer callsand you can walk over to a co-workers office for a quick answer while your customer is still on the call. The double-ear design blocks out surrounding noise for laser-like focus during desktop calls. Ultra-lightweight and finished with a padded leatherette headband and earpad, the H820e feels comfortable, even during long hours of use. Enterprise Quality Audio with Intuitive Call Controls Digital Signal Processing and dynamic equalizer technology precisely adjust mic and speaker audio for the best sound quality. Plus, youll hear and be heard in true wideband audio, ensuring a more natural and true-to-life listening experience. On the H820e, the mute button is always close at hand on the microphone boom. A mute indicator light makes it easy to see when your mic is on or off. On-ear answer/end and volume buttons give you quick access to call controls while the raised button design allows you to instantly identify the right one by touchwithout looking away from your work. 300 Foot Wireless with Auto Pairing Walk around the office and stay productive during conference calls with 100-meter (300 ft.) wireless range and up to 10 hours of talk time on a single charge. The included charging dock automatically pairs the headset so its easy to use at any workstation in large deployment or hot desking situations. Wide UC compatibility Optimized for Microsoft Lync, Cisco compatible,* and compatible with most business-grade UC platforms ensures easy integration with your applications. (* See Cisco Developer Network Marketplace catalog for the latest version.) Noteworthy Features CompareB530 USB HeadsetPerfect for Internet calling and video conferencing on any budget.USB Headset H650eDelivers DSP enterprise quality audio and user-friendly features like a clever in-call LED light that minimizes interruptions.USB Headset H820eEnterprise-grade DECT wireless headset. In-call LED light, on-boom mute button and LED mute indicator light.Compatible with all leading UC platformsOptimized for Microsoft LyncCertified for CiscoUnlimited (USB wired connectivity provides constant power)10 hrs. wideband talk time (include charging base)On-ear controls for answering/ending calls*, adjusting volume, mute microphone (*With Microsoft Lync deployments.)In-line control for answering/ending calls*, adjusting volume, mute microphone (*With Microsoft Lync deployments.)Indicator light