Jabra Evolve2 65 UC Mono Wireless Headset - Black Outstanding outcomes require outstanding call performance, and seamless, professional audio makes all the difference. They took the incredible call performance of world-leading Evolve Series, and they made it even better, building in three strategically placed powerful professional microphones and adding advanced digital chipset and latest signal processing technology. The result is outstanding call quality, every time. It’s not just a great call. It’s the new standard of great calls.