EVOLVE2 SERIES: Its time for a better way of doing things; enter Evolve2. Weve re-engineered our world-leading Evolve Series in every single way, allowing us to bring you significant performance enhancements across the board. These are professional headsets, but not as you know them. Welcome to the new standard of noise isolation. Amazing audio across the board. Guarded concentration zone with an improved busylight. Raising the bar for professional calls. UC/MS-Certified.