Ideal for all-day use, long conference calls and listening to multimediaNoise canceling microphone masks nearby talkers for maximum call privacyMonaural with passive noise reductionUniversal USBConnectivity to smartphone and tablet via 3.5 mmOne-touch call answer/end, volume +/- and mutePC wideband audio with noise-canceling microphones for high-quality PC telephonyPlantronics Manager Pro, an additional purchase, enables your IT team to gain insight into every compatible Plantronics headset being used company-wide This product ships in approximately 1 days