Audio Technica ATH-M20XBT Bluetooth Headphones - Free Gift RRP £10!Studio sound on the go Wireless headphones sometimes sacrifice sound quality in order to deliver the portability and convenience of Bluetooth connectivity. However, the M20xBT have been tuned by Audio Technica to sound exactly like the original wired model, when used wirelessly or wired. These headphones let you bring accurate, clear studio sound on the road with you, so you can listen to your favourite songs on the go without losing quality, and