idVendor: 0x072F
  iManufacturer: ACS
 idProduct: 0x2200
  iProduct: ACR122U PICC Interface
 bcdDevice: 2.06 (firmware release?)
 bLength: 9
 bDescriptorType: 4
 bInterfaceNumber: 0
 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)
 iInterface: ?
 CCID Class Descriptor
  bLength: 0x36
  bDescriptorType: 0x21
  bcdCCID: 1.00
  bMaxSlotIndex: 0x00
  bVoltageSupport: 0x07
   5.0V
   3.0V
   1.8V
  dwProtocols: 0x0000 0x0002
   T=1
  dwDefaultClock: 4.000 MHz
  dwMaximumClock: 4.000 MHz
  bNumClockSupported: 0 (will use whatever is returned)
   IFD does not support GET CLOCK FREQUENCIES request: No such file or directory
  dwDataRate: 10752 bps
  dwMaxDataRate: 250000 bps
  bNumDataRatesSupported: 0 (will use whatever is returned)
   IFD does not support GET_DATA_RATES request: No such file or directory
  dwMaxIFSD: 256
  dwSynchProtocols: 0x00000000
  dwMechanical: 0x00000000
   No special characteristics
  dwFeatures: 0x00020040
   ....40 Automatic parameters negotiation made by the CCID
   02.... Short APDU level exchange
  dwMaxCCIDMessageLength: 271 bytes
  bClassGetResponse: 0x00
  bClassEnveloppe: 0x00
  wLcdLayout: 0x0000
  bPINSupport: 0x00
  bMaxCCIDBusySlots: 1