Bluetooth remote controller can't connect

Hi, all

I have a bluetooth remote controller (MediaQ RCU from Huawei), and can connected to Mini Mac successfully.

So I want to connect to OSMC on a Pi as a keyboard for remote controlling.

I downloaded the latest OSMC (2017.03-1), and run it on an Pi2.

I saw the OSMC wiki about connect a bluetooth device, the MediaQ RCU can be discovered and connected with connect without pin. But it disconnect after a while. Because it is not a full keys keyboard, so I can’t connect it with pin.

Any idea? thanks for everything about it.