xinput --list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ ELAN Touchpad and Keyboard Touchpad id=8 [slave pointer (2)]
⎜ ↳ ELAN Touchpad and Keyboard Consumer Control id=9 [slave pointer (2)]
⎜ ↳ ELAN Touchpad and Keyboard Mouse id=11 [slave pointer (2)]
⎜ ↳ MELF0411:00 1FD2:9005 id=13 [slave pointer (2)]