Doro Prosound hs1910 dect wirless headset and headset lifer 500ft range Lightweight and comfortable design 9 hours talk time 45 hours standby time Volume control Automatic noise reduction Noise cancellation microphone Mute Multiple wearing styles Works with multi-line business system Conference capability - up to two headsets Sound level protection Optional handset lifter with ring detection sensor Optional remote dot matrix display dial pad Multiple connection option - handset port and parallel PSTN Includes Headset Lifter