lsusb - mp3-3-9-11
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 0bda:0158 Realtek Semiconductor Corp. USB 2.0 multicard reader
Bus 002 Device 003: ID 04f2:b1b4 Chicony Electronics Co., Ltd Lenovo Integrated Camera
Bus 001 Device 003: ID 148f:2570 Ralink Technology, Corp. RT2570 Wireless Adapter