The fender mustang micro audio technica ath m30x headphones is a bundle that will revolutionise your practice capabilities'. '.strtoupper('t')he mustang micro is built for supreme convenience through its pocket size'. '.strtoupper('a')nd with this in mind all you need to do is plug it into your guitar connect the included audio technica headphones and play'! '.strtoupper('y')ou can even connect an audio device via bluetooth to play along to audio tracks'. '.strtoupper('t')his nifty gadget features an array of mustang series amp voicings so youll be able to practice with stellar tone at all times with an eq button for dialling in your frequencies'. '.strtoupper('y')ou can also add flair to your riffs with a host of built in effects the mustang micro provides the full amp experience.