The Jabra / GN Netcom BIZ2400 II Mono BT MS headsets uses Ultra Noise Cancellation for better conversation which eliminates background noise. The crystal clear conversation can be expected as there is HD voice with HIFI sound.The Freespin Technology provides unbreakable 360° spin boom arm provides outstanding durability and optimum positioning. Multi-Device Connectivity is an added advantage to the headset which allows to connect multiple devices.BIZ2400 II Mono BT MS Features: