Sony, one of the most well-known brand out of Japan that has been seen in many electronic products. One of them is the Audio Department, where its Walkman becomes a historic invention in changing our way to listen to music. Then, of course, Sony begins to manufacture its own line of headphones & earphones. Sony MDR – XB80BS is one of the products that have come out in recent years which targets athletes and Bass lovers. With it being a Bluetooth earphone and costing around £80++ (or lesser depending on your source), we are here to find out if it is truly worth the cost, especially when a wired earphone can be had at a much cheaper price.