⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
⎜   ↳ HID 046a:0050                           	id=9	[slave  pointer  (2)]
⎜   ↳ HID 046a:0050                           	id=10	[slave  pointer  (2)]
⎜   ↳ Logitech USB-PS/2 Optical Mouse         	id=12	[slave  pointer  (2)]
⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
    ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
    ↳ Power Button                            	id=6	[slave  keyboard (3)]
    ↳ Power Button                            	id=7	[slave  keyboard (3)]
    ↳ HID 046a:0050                           	id=8	[slave  keyboard (3)]
    ↳ Philips SPC 1000NC Webcam               	id=11	[slave  keyboard (3)]
    ↳ Afatech DVB-T 2                         	id=13	[slave  keyboard (3)]
    ↳ IR-receiver inside an USB DVB receiver  	id=14	[slave  keyboard (3)]