一些參考資訊：
usb 1-2.3: new full-speed USB device number 8 using xhci_hcd
usb 1-2.3: New USB device found, idVendor=0e8d, idProduct=0003, bcdDevice= 1.00
usb 1-2.3: New USB device strings: Mfr=0, Product=0, SerialNumber=0
cdc_acm 1-2.3:1.0: ttyACM0: USB ACM device
usbcore: registered new interface driver cdc_acm
cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
usbcore: registered new interface driver usbserial_generic
usbserial: USB Serial support registered for generic
usbcore: registered new interface driver option
usbserial: USB Serial support registered for GSM modem (1-port)
usb 1-2.3: USB disconnect, device number 8
usb 1-2.3: new full-speed USB device number 9 using xhci_hcd
usb 1-2.3: not running at top speed; connect to a high speed hub
usb 1-2.3: New USB device found, idVendor=0e8d, idProduct=092a, bcdDevice= 1.00
usb 1-2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-2.3: Product: XROUND XT-04
usb 1-2.3: Manufacturer: MediaTek Inc
usb 1-2.3: SerialNumber: 0000000000000000
input: MediaTek Inc XROUND XT-04 as /devices/pci0000:00/0000:00:08.1/0000:c1:00.3/usb1/1-2/1-2.3/1-2.3:1.3/0003:0E8D:092A.0054/input/input133
input: MediaTek Inc XROUND XT-04 Consumer Control as /devices/pci0000:00/0000:00:08.1/0000:c1:00.3/usb1/1-2/1-2.3/1-2.3:1.3/0003:0E8D:092A.0054/input/input134
input: MediaTek Inc XROUND XT-04 as /devices/pci0000:00/0000:00:08.1/0000:c1:00.3/usb1/1-2/1-2.3/1-2.3:1.3/0003:0E8D:092A.0054/input/input135
hid-generic 0003:0E8D:092A.0054: input,hiddev3,hidraw8: USB HID v1.10 Device [MediaTek Inc XROUND XT-04] on usb-0000:c1:00.3-2.3/input3