idVendor: 0x20A0
  iManufacturer: Nitrokey
 idProduct: 0x4108
  iProduct: Nitrokey Pro
 bcdDevice: 1.00 (firmware release?)
 bLength: 9
 bDescriptorType: 4
 bInterfaceNumber: 1
 bAlternateSetting: 0
 bNumEndpoints: 3
  bulk-IN, bulk-OUT and Interrupt-IN
 bInterfaceClass: 0x0B [Chip Card Interface Device Class (CCID)]
 bInterfaceSubClass: 0
 bInterfaceProtocol: 0
  bulk transfer, optional interrupt-IN (CCID)
 Can't get iInterface string
 CCID Class Descriptor
  bLength: 0x36
  bDescriptorType: 0x21
  bcdCCID: 1.10
  bMaxSlotIndex: 0x00
  bVoltageSupport: 0x02
   3.0V
  dwProtocols: 0x0000 0x0002
   T=1
  dwDefaultClock: 3.600 MHz
  dwMaximumClock: 3.600 MHz
  bNumClockSupported: 0 (will use whatever is returned)
   IFD does not support GET CLOCK FREQUENCIES request: Resource temporarily unavailable
  dwDataRate: 9677 bps
  dwMaxDataRate: 116129 bps
  bNumDataRatesSupported: 0 (will use whatever is returned)
   wrong size for GET_DATA_RATES: 1
  dwMaxIFSD: 254
  dwSynchProtocols: 0x00000000
  dwMechanical: 0x00000000
   No special characteristics
  dwFeatures: 0x000104BA
   ....02 Automatic parameter configuration based on ATR data
   ....08 Automatic ICC voltage selection
   ....10 Automatic ICC clock frequency change according to parameters
   ....20 Automatic baud rate change according to frequency and Fi, Di params
   ....80 Automatic PPS made by the CCID
   ..04.. Automatic IFSD exchange as first exchange (T=1)
   01.... TPDU level exchange
  dwMaxCCIDMessageLength: 271 bytes
  bClassGetResponse: 0x00
  bClassEnvelope: 0x00
  wLcdLayout: 0x0000
  bPINSupport: 0x00
  bMaxCCIDBusySlots: 1