3.Q5s connects to apple iOS device, but cannot be recognized?Or 'accessories not supported'?

1. Please confirm whether the lightning connector connecting the apple device and Q5s has been inserted in place.It is suggested to unplug the connection;
2. Please connect apple device which is connected after Q5s is set to 'USB' state, and do not switch input state when Q5s connects to apple device.
3. Restart the apple device and try to connect again.
If you want to confirm whether Q5s has been successfully connected, go to "Settings" -> "general" -> "about the device", and then cross the screen to the bottom. If "FiiO Q5" appears above "legal information", it means that Q5s is a successful apple device