Wireless DECT headset with base station incl. BTD 800 USB dongle Triple connectivity to desk phone, PC/softphone and mobile devices Easily set up telephone conferences with up to four SDW 5000 Series headsets with the same base station Line of sight: 180 m Talk time: Up to 14 hours (Narrowband) Up to 12 hours (Wideband optimised for a high-density of people) Up to 11.5 hours (Wideband) Up to 9 hours (super wideband) Standby time: Up to 44 hours Charging time: 1.5 hours Soft, leatherette ear pads Busylight on the headset DECT security certification Certified for Microsoft Teams Includes: Base station, headset, BTD 800 USB dongle, USB cable, AC adapter, telephone audio cable, quick start guide for headset and base station