Event: time 1558613958.149431, type 4 (EV_MSC), code 4 (MSC_SCAN), value 90004
Event: time 1558613958.149431, type 1 (EV_KEY), code 275 (BTN_SIDE), value 1
Event: time 1558613958.149431, -------------- SYN_REPORT ------------

grep "" /sys/class/input/eventX/device/id/*

/sys/class/input/event7/device/id/bustype:0003
/sys/class/input/event7/device/id/product:4102
/sys/class/input/event7/device/id/vendor:062a
/sys/class/input/event7/device/id/version:0110

evdev:input:b[bustype]v[vendor]p[product]e[version]*
 ID_INPUT_KEY=1
 KEYBOARD_KEY_[scancode]=4
 KEYBOARD_KEY_[scancode]=5
 KEYBOARD_KEY_[scancode]=6

evdev:input:b0003v062Ap4102e0110*
 ID_INPUT_KEY=1
 KEYBOARD_KEY_90003=4
 KEYBOARD_KEY_90004=5
 KEYBOARD_KEY_90005=6