Bus 001 Device 004: ID 10f1:1a26 Importek 
Bus 003 Device 002: ID 1b96:0001 N-Trig Duosense Transparent Electromagnetic Digitizer
Bus 004 Device 002: ID 0a5c:21b4 Broadcom Corp. BCM2070 Bluetooth 2.1 + EDR
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 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