idVendor: 0x155B iManufacturer: BHDC idProduct: 0x8202 iProduct: Reader-HHD02 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) Can't get iInterface string: LIBUSB_ERROR_INVALID_PARAM 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: 4.800 MHz bNumClockSupported: 0 (will use whatever is returned) Got 1 clock frequencies but was expecting 256 Support 4000 kHz dwDataRate: 12903 bps dwMaxDataRate: 412903 bps bNumDataRatesSupported: 0 (will use whatever is returned) Support 10752 bps dwMaxIFSD: 522 dwSynchProtocols: 0x00000000 dwMechanical: 0x00000000 No special characteristics dwFeatures: 0x000200B2 ....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 02.... Short APDU level exchange dwMaxCCIDMessageLength: 271 bytes bClassGetResponse: 0x00 bClassEnvelope: 0x00 wLcdLayout: 0x0000 bPINSupport: 0x00 bMaxCCIDBusySlots: 1