cat /proc/bus/input/devices

cat /proc/bus/input/devices
I: Bus=0003 Vendor=192f Product=0916 Version=0111
N: Name="USB Optical Mouse"
P: Phys=usb-0000:00:1d.0-1.4/input0
S: Sysfs=/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/input/input0
U: Uniq=
H: Handlers=mouse0 event0
B: PROP=0
B: EV=17
B: KEY=70000 0 0 0 0
B: REL=103
B: MSC=10

I: Bus=0003 Vendor=05ac Product=0250 Version=0111
N: Name="Apple Inc. Apple Keyboard"
P: Phys=usb-0000:00:1d.0-1.3.4.2/input0
S: Sysfs=/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3.4/2-1.3.4.2/2-1.3.4.2:1.0/input/input1
U: Uniq=
H: Handlers=sysrq kbd event1
B: PROP=0
B: EV=120013
B: KEY=10000 0 0 0 1007b00001007 ff9f207ac14057ff ffbeffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=1f

I: Bus=0003 Vendor=05ac Product=0250 Version=0111
N: Name="Apple Inc. Apple Keyboard"
P: Phys=usb-0000:00:1d.0-1.3.4.2/input1
S: Sysfs=/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3.4/2-1.3.4.2/2-1.3.4.2:1.1/input/input2
U: Uniq=
H: Handlers=kbd event2
B: PROP=0
B: EV=13
B: KEY=3a00000000 e000000000000 0
B: MSC=10

I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=PNP0C0C/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input3
U: Uniq=
H: Handlers=kbd event3
B: PROP=0
B: EV=3
B: KEY=10000000000000 0

I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=LNXPWRBN/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input4
U: Uniq=
H: Handlers=kbd event4
B: PROP=0
B: EV=3
B: KEY=10000000000000 0

I: Bus=0010 Vendor=001f Product=0001 Version=0100
N: Name="PC Speaker"
P: Phys=isa0061/input0
S: Sysfs=/devices/platform/pcspkr/input/input5
U: Uniq=
H: Handlers=kbd event5
B: PROP=0
B: EV=40001
B: SND=6