Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 005: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 003 Device 004: ID 8087:07dc Intel Corp.
Bus 003 Device 003: ID 5986:055e Acer, Inc
Bus 003 Device 012: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
Bus 003 Device 011: ID 256c:006e
Bus 003 Device 010: ID 058f:6254 Alcor Micro Corp. USB Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Virtual core pointer                        id=2    [master pointer (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ Logitech USB Receiver                     id=12   [slave  pointer  (2)]
⎜   ↳ Logitech USB Receiver                     id=13   [slave  pointer  (2)]
⎜   ↳ ETPS/2 Elantech Touchpad                  id=16   [slave  pointer  (2)]