Buy Renkforce RF-4451433 Network switch 5 ports 100 MBit/s USB power supply | Conrad Electronic
Amazon.com: 10/100Mbps 5 Port Micro USB Power Supply Fast Ethernet LAN RJ45 Network Switch Hub Support Power Bank Laptop … (8 Ports 10/100Mbps) : Electronics
USB self-powered mini switch (4 Gigabit Ethernet ports) - Network switch - LDLC 3-year warranty | Holy Moley
5-Port Mini Ethernet Switch with USB Power
Amazon.com: XtremPro 8-Port USB Powered 10/100Mbps Ethernet RJ45 Network Switch Hub - Black (61026) : Electronics
Amazon.com: Cable Matters USB 2.0 Switch Hub USB Sharing Switch for 2 Computers and 4 USB Peripherals - Button or Wireless Remote Control Swapping : Electronics