@property
    def class_of_device(self):
        """Class of Device encoded as unsigned long integer. Received
        and transmitted as EIR type 0x0D in little endian byte
        order. Set to None if not received or not to be
        transmitted."""
        try: return int(self.eir[0x0D][::-1].encode("hex"), 16)
        except __HOLE__: return None
dataset/ETHPy150Open javgh/greenaddress-pos-tools/nfc/ndef/bt_record.py/BluetoothConfigRecord.class_of_device