Bus 001 Device 002: ID 0bda:0181 Realtek Semiconductor Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 069: ID 10d5:55a4 Uni Class Technology Co., Ltd 
Bus 002 Device 068: ID 047d:1020 Kensington Expert Mouse Trackball
Bus 002 Device 067: ID 045e:00db Microsoft Corp. Natural Ergonomic Keyboard 4000 V1.0
Bus 002 Device 066: ID 058f:9254 Alcor Micro Corp. Hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub