The Logitech Brio is a 4k Ultra HD business webcam for video conferencing and unified communications. The Brio works with Windows, macOS, and Google Chromebooks, works with Cortana, and is certified for Skype for Business and Microsoft Windows Hello, the facial recognition biometric security system that's part of Windows 10. Logitech Brio also features Logitech's RightLight 3 with HDR (high dynamic range) technology, which adapts to lighting conditions from dim light to direct sunlight, giving you the best picture in each. The Brio can take 4k Ultra HD video (4096x2160), giving you a stunningly detailed and lifelike picture.