buntu@ubuntu:/$ lsusb
Bus 001 Device 002: ID 8087:8000 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 005: ID 04f3:0203 Elan Microelectronics Corp. Touchscreen
Bus 002 Device 004: ID 8087:07dc Intel Corp. Bluetooth wireless interface
Bus 002 Device 003: ID 0c45:6705 Microdia Integrated HD Webcam
Bus 002 Device 042: ID 0421:01c8 Nokia Mobile Phones N900/N950 (PC-Suite Mode)
Bus 002 Device 002: ID 8564:1000 Transcend Information, Inc. JetFlash
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub