All-day comfort and universal connectivity When you need to wear a headset all day, the Blackwire 5210 Series has you covered in the utmost of comfort. Ergonomically designed, it’s comfortable enough to wear all day, on your longest calls. To make it easier for you to work anywhere in the office, it also gives you the freedom to plug into the compatible device of your choice: All models are available with 3.5 mm connectivity and you can choose USB or USB-C. Outstanding audio quality for better productivity Today’s workplace can be noisy and filled with distractions. With the Blackwire 5210 Series, you’ll be able to hear and be heard more clearly, enjoy conversation privacy and be more productive. That’s because soft, conforming ear cushions provide passive noise canceling, while a precisely tuned microphone masks nearby conversations A headset that works the way you do 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.