Jabra Evolve2 65 MS Mono Bluetooth headset is Microsoft Teams Certified. Equiped with large noise isolating foam oval ear speakers. The large 40mm soft leather ear cushions have awesome passive noise isolating speakers. Jabra Evolve2 65 MS has a built-in busy light, visible from just about anywhere around you. Jabra Evolve2 65 Stereo is MS Teams/Skype for Business certified, also compatible with all leading UC computer softphones. Super light weight.