@property
    def class_of_device(self):
        try: return int(self.eir[0x0D][::-1].encode("hex"), 16)
        except KeyError: return None
Class of Device encoded as unsigned long integer. Received
dataset/ETHPy150Open javgh/greenaddress-pos-tools/nfc/ndef/bt_record.py/BluetoothConfigRecord.class_of_device