The EPOS USB Call Control for ADAPT 100 (EPOS part 1000910) is a spare or replacement USB-A cable with an in-line call-control unit for EPOS ADAPT 100 series headsets. The ADAPT 100 range uses a 3.5 mm jack connection, and this cable plugs into the headset's 3.5 mm connector and into a computer's USB-A port, turning the headset into a plug-and-play USB headset. The in-line controller provides buttons to accept and end calls, adjust volume and mute the microphone, so users can manage calls without switching to the application window. EPOS lists it as UC compatible and certified for Microsoft Teams, and retailers describe it as the MS Teams version, making it suitable for offices and contact centres standardised on Teams. It is typically bought to replace a damaged or lost cable, to give a user a second cable for home and office, or to convert an ADAPT 100 series 3.5 mm headset for PC use. A USB-C version (1000909) also exists for computers without USB-A ports. The headset is not included; check that your headset belongs to the ADAPT 100 series before ordering.