The Jabra Evolve 75e Duo MS wireless headset is an in-ear headphone with professional sound quality. Thanks to the three-microphone technology, the call quality is very high, allowing you to fully concentrate on your conversation. Various wearing styles with earGels and earWings provide excellent comfort for all-day wear. With the three-microphone technology ensuring crystal-clear voice quality and unique Active Noise Cancellation (ANC), you are optimally protected from distracting noises in the office environment. The busy light feature signals to colleagues from a distance when you do not wish to be disturbed, ensuring full concentration. The vibrating neckband discreetly alerts you to notifications. You can quickly manage your calls and music with five buttons, and an additional smart button provides instant access to Siri and Google Now. When connected to a PC, the headset has a wireless range of up to 30 meters, and up to 10 meters when connected to a smartphone. With a charging time of approximately 2 hours, the battery lasts for up to 13 hours of talk time or 14 hours of music playback.