Hama Travel Plug (for connecting foreign devices, e.g. UK, USA, China, Italy, Switzerland, and much more, to German earthed contact sockets, suitable for Spain, France, etc.) White : Amazon.de: Electronics & Photo
Microsoft Surface Travel Hub (USB C) - buy at digitec
Buy Hama USB Hub 2.0 4-port Black (00200122)
Hama Connect2Office Stand USB-C Docking Station / Laptop Stand, 12 Ports, Grey - Worldshop