6 would be so funny
Ever drank to much and wasted yourself to the point where you are unconscious?
Your friends won't know
You just stand up like nothing happened
So 1 and 6 obvious call
I used the 10 buck one that first came up on Amazon and it has served me well for years now
Just search USB Bluetooth Adapter Linux and pick the cheapest option
Don't they have russians and the french as well?