 idVendor: 0x2C97
  iManufacturer: Ledger
 idProduct: 0x1009
  iProduct: Nano S
 bcdDevice: 2.01 (firmware release?)
 bLength: 9
 bDescriptorType: 4
 bInterfaceNumber: 2
 bAlternateSetting: 0
 bNumEndpoints: 2
  bulk-IN and bulk-OUT
 bInterfaceClass: 0x0B [Chip Card Interface Device Class (CCID)]
 bInterfaceSubClass: 0
 bInterfaceProtocol: 0
  bulk transfer, optional interrupt-IN (CCID)
 iInterface: Nano S
 CCID Class Descriptor
  bLength: 0x36
  bDescriptorType: 0x21
  bcdCCID: 1.10
  bMaxSlotIndex: 0x00
  bVoltageSupport: 0x03
   5.0V
   3.0V
  dwProtocols: 0x0000 0x0001
   T=0
  dwDefaultClock: 3.600 MHz
  dwMaximumClock: 3.600 MHz
  bNumClockSupported: 0 (will use whatever is returned)
   IFD does not support GET CLOCK FREQUENCIES request: LIBUSB_ERROR_PIPE
  dwDataRate: 9677 bps
  dwMaxDataRate: 9677 bps
  bNumDataRatesSupported: 0 (will use whatever is returned)
   IFD does not support GET_DATA_RATES request: LIBUSB_ERROR_PIPE
  dwMaxIFSD: 0
  dwSynchProtocols: 0x00000000
  dwMechanical: 0x00000000
   No special characteristics
  dwFeatures: 0x000206BA
   ....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
   ..02.. NAD value other than 00 accepted (T=1)
   ..04.. Automatic IFSD exchange as first exchange (T=1)
   02.... Short APDU level exchange
  dwMaxCCIDMessageLength: 271 bytes
  bClassGetResponse: 0x00
  bClassEnvelope: 0x00
  wLcdLayout: 0x0000
  bPINSupport: 0x03
   PIN Verification supported
   PIN Modification supported
  bMaxCCIDBusySlots: 1
