idVendor: 0x163C
  iManufacturer: Watchdata W5181
 idProduct: 0x0A03
  iProduct: 
 bcdDevice: 1.00 (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: Contact Reader 
 CCID Class Descriptor
  bLength: 0x36
  bDescriptorType: 0x21
  bcdCCID: 1.10
  bMaxSlotIndex: 0x00
  bVoltageSupport: 0x07
   5.0V
   3.0V
   1.8V
  dwProtocols: 0x0000 0x0003
   T=0
   T=1
  dwDefaultClock: 4.800 MHz
  dwMaximumClock: 8.000 MHz
  bNumClockSupported: 0 (will use whatever is returned)
   IFD does not support GET CLOCK FREQUENCIES request: Operation timed out
  dwDataRate: 10752 bps
  dwMaxDataRate: 412903 bps
  bNumDataRatesSupported: 0 (will use whatever is returned)
   IFD does not support GET_DATA_RATES request: Operation timed out
  dwMaxIFSD: 254
  dwSynchProtocols: 0x00000007
   2-wire protocol
   3-wire protocol
   I2C protocol
  dwMechanical: 0x00000000
   No special characteristics
  dwFeatures: 0x000207B2
   ....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
   ..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: 0xFF
   echoes the APDU class
  bClassEnvelope: 0xFF
   echoes the APDU class
  wLcdLayout: 0x0000
  bPINSupport: 0x00
  bMaxCCIDBusySlots: 1
 idVendor: 0x163C
  iManufacturer: Watchdata W5181
 idProduct: 0x0A03
  iProduct: 
 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)
 iInterface: Contactless Reader 
 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: Operation timed out
  dwDataRate: 10752 bps
  dwMaxDataRate: 250000 bps
  bNumDataRatesSupported: 0 (will use whatever is returned)
   IFD does not support GET_DATA_RATES request: Operation timed out
  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
  bClassEnvelope: 0x00
  wLcdLayout: 0x0000
  bPINSupport: 0x00
  bMaxCCIDBusySlots: 1
 idVendor: 0x163C
  iManufacturer: Watchdata W5181
 idProduct: 0x0A03
  iProduct: 
 bcdDevice: 1.00 (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: SAM Reader 
 CCID Class Descriptor
  bLength: 0x36
  bDescriptorType: 0x21
  bcdCCID: 1.10
  bMaxSlotIndex: 0x00
  bVoltageSupport: 0x01
   5.0V
  dwProtocols: 0x0000 0x0003
   T=0
   T=1
  dwDefaultClock: 3.580 MHz
  dwMaximumClock: 14.320 MHz
  bNumClockSupported: 0 (will use whatever is returned)
   IFD does not support GET CLOCK FREQUENCIES request: Operation timed out
  dwDataRate: 9600 bps
  dwMaxDataRate: 2703401 bps
  bNumDataRatesSupported: 0 (will use whatever is returned)
   IFD does not support GET_DATA_RATES request: Operation timed out
  dwMaxIFSD: 252
  dwSynchProtocols: 0x00000000
  dwMechanical: 0x00000000
   No special characteristics
  dwFeatures: 0x000100BA
   ....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
   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