New Macbook pro lost bluetooth connection with Bose Soundlink Mini II

Hi everyone,

I have a problem with my new macbook pro 2018 touchbar with Bose Soundlink Mini II which Once I have already successful paired bluetooth with macbook, It was fine until last week ago I've got too many device list on my Bose speaker so, I decided to clear my device by hold Bluetooth button follow by user guide then I tried to make a new pair macbook with bose again, It just connected for 20 seconds after that disconnect, what's wrong with my bluetooth?

I try to check to connect with others devices it's still work properly, except Bose

Could anyone help me to solve this problem please let me know.

Many Thanks

Pok