Bus 004 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 004 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 004: ID 0bda:0182 Realtek Semiconductor Corp. 
Bus 003 Device 003: ID 1058:0748 Western Digital Technologies, Inc. My Passport (WDBKXH, WDBY8L)
Bus 003 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub