listusb -v:
[Device /dev/bus/usb/0/0]
    Class .................. 0x00 (Per-interface classes)
    Subclass ............... 0x00
    Protocol ............... 0x00
    Max Endpoint 0 Packet .. 64
    USB Version ............ 2.0
    Vendor ID .............. 0x056a (Wacom Co., Ltd)
    Product ID ............. 0x0303 (CTH-680 [Intuos Pen & Touch (M)])
    Product Version ........ 0x0100
    Manufacturer String .... "Wacom Co.,Ltd."
    Product String ......... "Intuos PTM"
    Serial Number .......... ""
    [Configuration 0]
        Configuration String . ""
        [Interface 0]
            [Alternate 0 active]
                Class .............. 0x03 (HID)
                Subclass ........... 0x00
                Protocol ........... 0x00
                Interface String ... ""
                [Endpoint 0]
                    MaxPacketSize .... 16
                    Interval ......... 2
                    Type ............. Interrupt
                    Direction ........ Input
                [Descriptor 0]
                    Type ............. 0x21
                    Data ............. 10 01 00 01 22 c0 00 
        [Interface 1]
            [Alternate 0 active]
                Class .............. 0x03 (HID)
                Subclass ........... 0x00
                Protocol ........... 0x00
                Interface String ... ""
                [Endpoint 0]
                    MaxPacketSize .... 64
                    Interval ......... 2
                    Type ............. Interrupt
                    Direction ........ Input
                [Descriptor 0]
                    Type ............. 0x21
                    Data ............. 10 01 00 01 22 26 00 
        [Interface 2]
            [Alternate 0 active]
                Class .............. 0x03 (HID)
                Subclass ........... 0x01
                Protocol ........... 0x02
                Interface String ... ""
                [Endpoint 0]
                    MaxPacketSize .... 64
                    Interval ......... 2
                    Type ............. Interrupt
                    Direction ........ Input
                [Descriptor 0]
                    Type ............. 0x21
                    Data ............. 10 01 00 01 22 34 00