The Poly Voyager Focus B825 (formerly Plantronics Voyager Focus B825) is a premium wireless headset designed for professional use, featuring active noise-cancellation for clear, distraction-free communication. With its comfortable design and impressive audio quality, it offers a seamless and productive experience for users in busy office environments or remote work settings. In addition to its Bluetooth connectivity for seamless pairing with PCs and smartphones, the Voyager Focus B825 also provides a Bluetooth dongle, ensuring compatibility with devices that do not have built-in Bluetooth functionality, making it a versatile and convenient headset for a range of devices and setups.