bluetooth audio

I cannot figure out why my headphones will not connect to my pc. The pc will not recognize them and they will not recognize it. Both devices work respectively with other bluetooth devices, but for some reason will not work together. I have tried using a USB bluetooth dongle, but when I plug it...

So i am looking for a wise buy. I have 2 options. One thing to consider is the price of course. 1st: Used gaming pc Motherboard msi z77a-g45 military class Core i5 2nd gen. 8gb ram 250gb hdd R9 270x windforce 2gb ddr5 No ssd Price: US460$ 2nd: ps4 (not the pro or slim) 1TB 5 months used 1...