idVendor: 0x076B
  iManufacturer: OMNIKEY AG
 idProduct: 0x3021
  iProduct: Smart Card Reader USB
 bcdDevice: 1.01 (firmware release?)
 bLength: 9
 bDescriptorType: 4
 bInterfaceNumber: 0
 bAlternateSetting: 0
 bNumEndpoints: 3
 bInterfaceClass: 0x0B [Chip Card Interface Device Class (CCID)]
 bInterfaceSubClass: 0
 bInterfaceProtocol: 0
 iInterface: 0
 CCID Class Descriptor
  bLength: 0x36
  bDescriptorType: 0x21
  bcdCCID: 1.00
  bMaxSlotIndex: 0x00
  bVoltageSupport: 0x07
   5.0V
   3.0V
   1.8V
  dwProtocols: 0x0000 0x0003
   T=0
   T=1
  dwDefaultClock: 3.000 MHz
  dwMaximumClock: 12.000 MHz
  bNumClockSupported: 0 (will use whatever is returned)
   IFD does not support GET CLOCK FREQUENCIES request
  dwDataRate: 8065 bps
  dwMaxDataRate: 96774 bps
  bNumDataRatesSupported: 0 (will use whatever is returned)
   IFD does not support GET_DATA_RATES request
  dwMaxIFSD: 254
  dwSynchProtocols: 0x00000007
  dwMechanical: 0x00000000
   No special characteristics
  dwFeatures: 0x000205B2
   ....02 Automatic parameter configuration based on ATR data
   ....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
   ..01.. CCID can set ICC in clock stop mode
   ..04.. Automatic IFSD exchange as first exchange (T=1)
   02.... Short APDU level exchange
  dwMaxCCIDMessageLength: 271 bytes
  bClassGetResponse: 0x00
  bClassEnveloppe: 0x00
  wLcdLayout: 0x0000
  bPINSupport: 0x00
  bMaxCCIDBusySlots: 1