The Jabra Evolve 65 SE UC Stereo is a professional wireless headset with dual connectivity and amazing sound for calls and music. Jabra Evolve 65 is a professional Unified Communications (UC) certified headset that is fully compatible with Microsoft Teams, or your UC platform of choice, for a truly seamless experience. With a wireless Bluetooth connectivity range of up to 30m (100 feet), plus long-time hours battery life. A busylight automatically turns red when you are on a call to keep you from being interrupted, or you can enable it manually. Stay wirelessly connected to two devices at the same time with dual Bluetooth connectivity.