Bus 001 Device 003: ID 148f:7601 Ralink Technology, Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 046d:c06a Logitech, Inc. USB Optical Mouse Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub