Great looks and great sound. These true wireless, noise cancelling ear buds have a built-in CVC 6.0 for outside noise reduction, can play up to 4 hours, built-in microphone, and comes with a 1000mAh power charging case.Great looks and great sound. These true wireless, noise cancelling ear buds have a built-in CVC 6.0 for outside noise reduction, can play up to 4 hours, built-in microphone, and comes with a 1000mAh power charging case.