JBL Tune 770NC Color:Purple 4GHz lossless wireless to a

4GHz lossless wireless to a compatible device

delivering big JBL Pro Sound with bass that knocks you right out and a fuller

and high comfort fabric ear cushions are all replaceable

clear high-frequencies

HOW CAN I CHANGE THAT

JBL Tune 770NC Color:Purple 4GHz lossless wireless to aYour music, noise free. When your music is on, nothing else matters. The JBL Tune 770NC Adaptive Noise Cancelling wireless headphones deliver on that promise all dayand longer, while sparing you the unwanted noises. With up to 70 hours of battery life, youll easily get through a busy week of using them and still have enough JBL Pure Bass Sound to get you through the weekend. And if you do need a quick recharge, 5 minutes gets you an extra 3 hours of