lsusb -v output for this device on my system:

Bus 006 Device 003: ID 081a:1000 MG Logic Duo Pen Tablet
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x081a MG Logic
  idProduct          0x1000 Duo Pen Tablet
  bcdDevice            1.00
  iManufacturer           1 Tablet
  iProduct                2 
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           34
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      1 Boot Interface Subclass
      bInterfaceProtocol      2 Mouse
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.00
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength     132
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               1
Device Status:     0x0000
  (Bus Powered)


Kernel log:


Mar 15 00:24:32 hostname kernel: [210533.060075] usb 6-1: new low speed USB 
device number 3 using uhci_hcd
Mar 15 00:24:32 hostname mtp-probe: checking bus 6, device 3: 
"/sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1"
Mar 15 00:24:32 hostname kernel: [210533.284226] generic-usb 
0003:081A:1000.0005: hiddev0,hidraw2: USB HID v1.00 Device [Tablet J-Series 
Tablet] on usb-0000:00:1d.0-1/input0
Mar 15 00:24:33 hostname mtp-probe: bus: 6, device: 3 was not an MTP device

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https://bugs.launchpad.net/bugs/145011

Title:
  tablet USB not working - kernel found MG LOGIC DUO PEN TABLET and
  that's all ...

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