docs: def device_info(self, device_id=None):
          """
          Return device information, if device_id is not specified, return for this device
  
          :param device_id: id of device
          :type device_id: int
          :returns: dict containing information about device
          :rtype: dict
          """
          if device_id is None:
              device_id = self.device_id
          return get_device_info(self.corsair_sdk, device_id)