Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 004: ID 04e8:6012 Samsung Electronics Co., Ltd
Bus 002 Device 002: ID 0506:0a01 3Com Corp. 3CRSHEW696 Wireless Adapter
Bus 002 Device 003: ID 093a:2628 Pixart Imaging, Inc.