LogitechSmartdock Flex Extender - Net Universe Shop
How to Setup Logitech SmartDock Meeting Room Console with the Extender Box - YouTube
Logitech SmartDock Large Skype Room System - Video conferencing kit - with SmartDock Extender Box, Surface Pro 4 (i5, 128GB, 4GB), Logitech Group + Expansion Mics at TigerDirect.com
34019 - C2G® - Extender - Extender for Logitech Conferencecam Cc3000e Or Group
Logitech SmartDock
Logitech SmartDock and Extender Box for Surface Pro 4 (960-001094)