Experience excellent sound quality and all-day comfort with the Plantronics Blackwire 5210 USB/3.5mm Headset. This single-earpiece headset features a built-in microphone and is perfect for use with laptops and desktops. The Blackwire 5210 offers both USB and 3.5mm jack connectivity options, making it versatile and easy to use. Its headband form factor and ear-pad design ensure comfortable wear for extended periods. With the Poly Blackwire 5210, you can enjoy clear communication and great sound quality all day long.