Sennheiser SD PRO2 - Stereo (Duo) Deskphone cordless Headset with Cisco EHS Adapter | Compatible Cisco Models: 8900 and 9900 series
Sennheiser MB Pro 2 (506044) - Dual-Sided, Wireless Bluetooth Headset | For Mobile Phone Connection | w/ HD Sound & Noise Cancelling Microphone (Black)
SENNHEISER SD Pro 2 MS Wireless Headset System, MS Teams 1000563
EPOS Sennheiser MB Pro 2 ML - Bluetooth UC Headset - Includes USB Dongle for Microsoft
Sennheiser - MB Pro 2- (506044) - Dual-Sided, Wireless Bluetooth Headset - Black | Reverb
Sennheiser CH 20 MB USB Headset Charger Cable Only (No Stand) for MB Pro 1, MB Pro 2 and Presence Headband | Avcomm Solutions