⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ USB OPTICAL MOUSE id=7 [slave pointer (2)] ⎜ ↳ SYNA7500:00 06CB:10F2 id=11 [slave pointer (2)] ⎜ ↳ SIGMACHIP USB Keyboard id=9 [slave pointer (2)] ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)] ↳ Video Bus id=6 [slave keyboard (3)] ↳ SYNA7500:00 06CB:10F2 Pen id=10 [slave keyboard (3)] ↳ gpio-keys id=12 [slave keyboard (3)] ↳ gpio-keys id=13 [slave keyboard (3)] ↳ SIGMACHIP USB Keyboard id=8 [slave keyboard (3)] ↳ SIGMACHIP USB Keyboard id=14 [slave keyboard (3)]