idVendor: 0x31AA iManufacturer: Circle idProduct: 0x2001 iProduct: CIR215 CL bcdDevice: 2.00 (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: CIR215 CL 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: 16.000 MHz bNumClockSupported: 0 (will use whatever is returned) IFD does not support GET CLOCK FREQUENCIES request: LIBUSB_ERROR_TIMEOUT dwDataRate: 12903 bps dwMaxDataRate: 826000 bps bNumDataRatesSupported: 0 (will use whatever is returned) IFD does not support GET_DATA_RATES request: LIBUSB_ERROR_TIMEOUT dwMaxIFSD: 247 dwSynchProtocols: 0x00000000 dwMechanical: 0x00000000 No special characteristics dwFeatures: 0x000200BA ....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.... 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