Bus 002 Device 004: ID 0461:4dd8 Primax Electronics, Ltd 
Bus 002 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 03f0:231d Hewlett-Packard 4 GB Flash Drive
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub