The Blackwire 5220 USB has you covered if you need an all-day headset. It is ergonomically designed to be comfortable enough to wear all day. It also gives you to freedom to plug into the compatible device of your choice, to make it easier for you to work in any office. You´ll be able to hear and be heard more clearly, thanks to the soft and conforming ear cushions which provide passive noise cancellation. Be more productive, while enjoying conversation privacy. Today´s workplaces can be filled with distractions and can be really noisy, so the 5210´s precisely tuned microphone masks nearby conversations. Adjust the headset to fit the way you work. Dedicated, customizable mute settings allow you to take calls confidently, ensuring you’re always heard. Set the language for voice alerts, and you’re in even greater control of your conversation. Use the intuitive inline controls to end/answer calls, control the volume, and mute to make call management easy. A lightweight metal headband offers durability and a comfortable custom fit. A dynamic EQ feature optimizes the quality of your voice on calls, and automatically adjusts the EQ setting when you want high-quality sound. With it´s intuitive nature and high performance capabilities such as the one-touch answer and call cancellation functions including volume +/- and mute controls allow for optimum potential for your business. Audio indicators and LEDs are arranged to indicate the line status. Features: USB Connection PC/Mac/Mobile/Softphone Compatible Noise Cancelling Microphone Compatible with all Softphones SoundGuard Hearing Protection Capable of Volume Control Eco reduction Compatible with Plantronics Manager Pro Software