Question about Samsung Trio 500

Can't answer exactly. I use Samsung S10. But it probably works.
The connection works with the standard Bluetooth protocol - this protocol is identical for all devices (including iPhone).
But if you have an old model with an old Android version, it is possible that this Android version does not yet support the keyboard.
Go to Settings / General Administration. If you see "Physical keyboard" there, you have a good chance.

Good luck

Yes that is no problem