Professional wireless headset with dual connectivity and amazing sound for calls and music. Includes Link380a USB-A dongle. Features - Jabra Link380a USB dongle for wireless range of up to 30m - Freedom to multi-task - Stay in the zone and avoid interruptions - Always connected - Convenient charging and storage - All-day comfort - MS Version (SFB Certified, TEAMS Compatible) - Wireless range of up to 100 feet / 30 meters with included USB-A Link370 dongle - Dual Bluetooth connectivity to two devices at the same time for calls and music - Up to 14 hours battery life - Integrated Busylight acting as a do not disturb signal - Speaker volume up/down on headset - Boom arm can be clipped into the headband when not on calls - Simply tap a compatible smart device and Jabra Evolve 65 together to connect