Superior DECT 6.0 technology eliminates interference from WI-FI networks Offers enterprise-grade audio quality, even in dense working environments. Includes USB DECT adapter with 180degrees articulation Simple plug-and-play USB connectivity. Over-the-ear design can be worn in a monaural (single earpiece) style. Digital Signal Processing (DSP) provides more natural voice sound. Increases productivity by enabling users to multitask and move freely around the office, up to 300 feet. Advanced wideband audio using CAT-iq technology. Noise-canceling microphone filters out background noise. SoundGuard technology mitigates audio spikes. Designed for all-day comfort with up to 6 hours of talk time. Hands-free functionality. Supports 1-touch call control with Office Communicator. Plantronics(R) Savi(TM) 430M Wireless PC Headset System Optimized For Microsoft Communicator 2007 is one of many Phone Headsets & Chargers available through Office Depot. Made by Plantronics.