Amazon.com: HP Hub for USB-C Laptops (USB-C to USB-A), Black (Z8W90AA) : Electronics
Amazon.com: USB to 9v, DROK 5v to 9v USB Boost Converter, USB Cable DC 5v Step Up to 9v, 1.5A Power Regulator Line with 5.5mm Port 1.2 Meter Length : Electronics
DC 5V to 9V/12V 1A(MAX) Boost Line USB Power Supply Converter Cable 5.5*2.1mm | eBay
HP Premium - keyboard - US - black - Z9N40AT#ABA - Keyboards - CDW.com
HP USB Type-C Extension Cable Kit (5M)
HP 5TW10UT#ABA - HP USB-C G5 Dock Docking Station Kit with 120W AC Adapter