lsusb - aa
Bus 004 Device 005: ID 0a5c:5800 Broadcom Corp. BCM5880 Secure Applications Processor
Bus 004 Device 009: ID 046d:c040 Logitech, Inc. Corded Tilt-Wheel Mouse
Bus 004 Device 008: ID 046a:0021 Cherry GmbH CyMotion Expert Combo
Bus 004 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 006: ID 05ca:181e Ricoh Co., Ltd
Bus 003 Device 004: ID 413c:2513 Dell Computer Corp. internal USB Hub of E-Port Replicator
Bus 003 Device 003: ID 413c:2513 Dell Computer Corp. internal USB Hub of E-Port Replicator
Bus 003 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub