idVendor: 0x2C97 iManufacturer: Ledger idProduct: 0x0005 iProduct: Nano SP bcdDevice: 2.01 (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: Nano SP CCID Class Descriptor bLength: 0x36 bDescriptorType: 0x21 bcdCCID: 1.10 bMaxSlotIndex: 0x00 bVoltageSupport: 0x03 5.0V 3.0V dwProtocols: 0x0000 0x0001 T=0 dwDefaultClock: 3.600 MHz dwMaximumClock: 3.600 MHz bNumClockSupported: 0 (will use whatever is returned) IFD does not support GET CLOCK FREQUENCIES request: LIBUSB_ERROR_PIPE dwDataRate: 9677 bps dwMaxDataRate: 9677 bps bNumDataRatesSupported: 0 (will use whatever is returned) IFD does not support GET_DATA_RATES request: LIBUSB_ERROR_PIPE dwMaxIFSD: 0 dwSynchProtocols: 0x00000000 dwMechanical: 0x00000000 No special characteristics dwFeatures: 0x000206BA ....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.. 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: 0x00 bClassEnvelope: 0x00 wLcdLayout: 0x0000 bPINSupport: 0x03 PIN Verification supported PIN Modification supported bMaxCCIDBusySlots: 1