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 connection 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 Charge time: 1.5 hours Soft ear pads made of synthetic leather Busylight on the headset DECT security certification Certified for Skype for Business Includes: Base station, headset, BTD 800 USB dongle, USB cable, AC adapter, telephone audio cable, quick start guide for headset and base station