'Return the device state attributes.'

@property
def device_state_attributes(self):

    device = self._device[ios.ATTR_DEVICE]
    device_battery = self._device[ios.ATTR_BATTERY]
    return {'Battery    State': device_battery[ios.ATTR_BATTERY_STATE], 'Battery    Level': device_battery[ios.ATTR_BATTERY_LEVEL], 'Device    Type': device[ios.ATTR_DEVICE_TYPE], 'Device    Name': device[ios.ATTR_DEVICE_NAME], 'Device    Version': device[ios.ATTR_DEVICE_SYSTEM_VERSION]}
