Give workers more flexibility and hands-free productivity with a roaming range of up to 120 m / 400 ft from the headset base Build in more confidence on every call with up to 12 hours of talk time with each charge Collaboration is easier with conferencing of up to 4 headsets on one base Provide the peace of mind that comes from knowing headsets are always fully charged with the headset docking charge indicator Electronic Hook Switch (EHS) with ring alerts and remote call answering/ending (sold separately) Mono or binaural over-the-head designs Easily adjustable universal fit headband Flexible noise canceling microphone boom DECTTM adaptive power system automatically adjusts to save power