30 hours of powerful sound.The case is a power bank, allowing up to 30 hours of listening time. Charging for 10 minutes enables your earphones to be listened to for 10 hours. Loud and clear. Equipped with a unique noise cancellation algorithm and three microphones to improve clarity. Un-BEAT-able audio. Enjoy richer tones, clearer vocals and deeper bass. Experience 3D stereo with Dolby Atmos or stunning sound quality with Dirac Audio Tuner support.