pi@retropie:~ $ cat /proc/bus/input/devices
I: Bus=0003 Vendor=1997 Product=2535 Version=0101
N: Name="  mini keyboard"
P: Phys=usb-0000:01:00.0-1.3/input0
S: Sysfs=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.3/1-1.3:1.0/0003:1997:2535.0001/input/input0
U: Uniq=
H: Handlers=sysrq kbd leds event0
B: PROP=0
B: EV=120013
B: KEY=10000 7 ff9f207a c14057ff febeffdf ffefffff ffffffff fffffffe
B: MSC=10
B: LED=1f

I: Bus=0003 Vendor=1997 Product=2535 Version=0101
N: Name="  mini keyboard Mouse"
P: Phys=usb-0000:01:00.0-1.3/input1
S: Sysfs=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.3/1-1.3:1.1/0003:1997:2535.0002/input/input1
U: Uniq=
H: Handlers=mouse0 event1
B: PROP=0
B: EV=17
B: KEY=1f0000 0 0 0 0 0 0 0 0
B: REL=903
B: MSC=10

I: Bus=0003 Vendor=1997 Product=2535 Version=0101
N: Name="  mini keyboard System Control"
P: Phys=usb-0000:01:00.0-1.3/input1
S: Sysfs=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.3/1-1.3:1.1/0003:1997:2535.0002/input/input2
U: Uniq=
H: Handlers=kbd event2
B: PROP=0
B: EV=13
B: KEY=c000 100000 0 0 0
B: MSC=10

I: Bus=0003 Vendor=1997 Product=2535 Version=0101
N: Name="  mini keyboard Consumer Control"
P: Phys=usb-0000:01:00.0-1.3/input1
S: Sysfs=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.3/1-1.3:1.1/0003:1997:2535.0002/input/input3
U: Uniq=
H: Handlers=kbd event3
B: PROP=0
B: EV=1f
B: KEY=300ff 0 0 0 0 483ffff 17aff32d bfd44446 0 0 1 130c73 b17c000 267bfa d9415fed 9e1680 4400 0 10000002
B: REL=1040
B: ABS=1 0
B: MSC=10

I: Bus=0003 Vendor=045e Product=02a1 Version=0100
N: Name="Xbox 360 Wireless Receiver"
P: Phys=usb-0000:01:00.0-1.4/input0
S: Sysfs=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4:1.0/input/input4
U: Uniq=
H: Handlers=event4 js0
B: PROP=0
B: EV=20000b
B: KEY=f 0 0 0 0 0 0 0 0 0 0 0 0 7fdb0000 0 0 0 0 0 0 0 0 0
B: ABS=3001b
B: FF=1 7030000 0 0

I: Bus=0003 Vendor=045e Product=02a1 Version=0100
N: Name="Xbox 360 Wireless Receiver"
P: Phys=usb-0000:01:00.0-1.4/input0
S: Sysfs=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4:1.2/input/input5
U: Uniq=
H: Handlers=event5 js1
B: PROP=0
B: EV=20000b
B: KEY=f 0 0 0 0 0 0 0 0 0 0 0 0 7fdb0000 0 0 0 0 0 0 0 0 0
B: ABS=3001b
B: FF=1 7030000 0 0

I: Bus=0003 Vendor=045e Product=02a1 Version=0100
N: Name="Xbox 360 Wireless Receiver"
P: Phys=usb-0000:01:00.0-1.4/input0
S: Sysfs=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4:1.4/input/input6
U: Uniq=
H: Handlers=event6 js2
B: PROP=0
B: EV=20000b
B: KEY=f 0 0 0 0 0 0 0 0 0 0 0 0 7fdb0000 0 0 0 0 0 0 0 0 0
B: ABS=3001b
B: FF=1 7030000 0 0

I: Bus=0003 Vendor=045e Product=02a1 Version=0100
N: Name="Xbox 360 Wireless Receiver"
P: Phys=usb-0000:01:00.0-1.4/input0
S: Sysfs=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4:1.6/input/input7
U: Uniq=
H: Handlers=event7 js3
B: PROP=0
B: EV=20000b
B: KEY=f 0 0 0 0 0 0 0 0 0 0 0 0 7fdb0000 0 0 0 0 0 0 0 0 0
B: ABS=3001b
B: FF=1 7030000 0 0