 idVendor: 0x2CE4
  iManufacturer: ESMART
 idProduct: 0x7479
  iProduct: ESMART Reader
 bcdDevice: 1.02 (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: ESMART Reader
 CCID Class Descriptor
  bLength: 0x36
  bDescriptorType: 0x21
  bcdCCID: 1.10
  bMaxSlotIndex: 0x00
  bVoltageSupport: 0x02
   3.0V
  dwProtocols: 0x0000 0x0003
   T=0
   T=1
  dwDefaultClock: 4.800 MHz
  dwMaximumClock: 12.000 MHz
  bNumClockSupported: 5
   Support 4800 kHz
   Support 6000 kHz
   Support 8000 kHz
   Support 9600 kHz
   Support 12000 kHz
  dwDataRate: 9600 bps
  dwMaxDataRate: 150000 bps
  bNumDataRatesSupported: 0 (will use whatever is returned)
   Support 9600 bps
   Support 150000 bps
  dwMaxIFSD: 254
  dwSynchProtocols: 0x00000000
  dwMechanical: 0x00000000
   No special characteristics
  dwFeatures: 0x000107BE
   ....02 Automatic parameter configuration based on ATR data
   ....04 Automatic activation of ICC on inserting
   ....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
   ..01.. CCID can set ICC in clock stop mode
   ..02.. NAD value other than 00 accepted (T=1)
   ..04.. Automatic IFSD exchange as first exchange (T=1)
   01.... TPDU level exchange
  dwMaxCCIDMessageLength: 271 bytes
  bClassGetResponse: 0xFF
   echoes the APDU class
  bClassEnvelope: 0xFF
   echoes the APDU class
  wLcdLayout: 0x0000
  bPINSupport: 0x00
  bMaxCCIDBusySlots: 1
