Amazing sound clarity and quality, wireless, and compatible with your phone as well! The Mutant MIG-BTH4 M-Rockz are the perfect solution for listening to music around the home, office, or anywhere in between, while still being able to answer an incoming call if needed. The superior sound quality will blow you away, while the long battery life will let you listen for up to 11 hours! And your call quality will as clear as ever thanks to noise reduction and echo cancellation. The sleek, stylish design will impress your friends and keep up with your personal style, while remaining comfortable enough to wear all day!