xinput list-props 9
Device 'Microsoft Microsoft Trackball Explorer®':
    Device Enabled (129):   1
    Coordinate Transformation Matrix (131): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    Device Accel Profile (253): 0
    Device Accel Constant Deceleration (254):   1.000000
    Device Accel Adaptive Deceleration (255):   1.000000
    Device Accel Velocity Scaling (256):    10.000000
    Device Product ID (246):    1118, 36
    Device Node (247):  "/dev/input/event2"
    Evdev Axis Inversion (257): 0, 0
    Evdev Axes Swap (259):  0
    Axis Labels (260):  "Rel X" (139), "Rel Y" (140), "Rel Vert Wheel" (252)
    Button Labels (261):    "Button Left" (132), "Button Middle" (133), "Button Right" (134), "Button Wheel Up" (135), "Button Wheel Down" (136), "Button Horiz Wheel Left" (137), "Button Horiz Wheel Right" (138), "Button Side" (250), "Button Extra" (251), "Button Unknown" (249), "Button Unknown" (249), "Button Unknown" (249), "Button Unknown" (249)
    Evdev Middle Button Emulation (262):    0
    Evdev Middle Button Timeout (263):  50
    Evdev Third Button Emulation (264): 0
    Evdev Third Button Emulation Timeout (265): 1000
    Evdev Third Button Emulation Button (266):  3
    Evdev Third Button Emulation Threshold (267):   20
    Evdev Wheel Emulation (268):    0
    Evdev Wheel Emulation Axes (269):   0, 0, 4, 5
    Evdev Wheel Emulation Inertia (270):    10
    Evdev Wheel Emulation Timeout (271):    200
    Evdev Wheel Emulation Button (272): 4
    Evdev Drag Lock Buttons (273):  0