1.4OMM DRVERS FOR CEAR AUDO Crystal clear audio, without discomfort! Experience yomusic the way it was meant to be heard. 2.LONG-LASTING BATTERY LIFE Designed with a large capacity rechargeable battery,capable of delivering up to 20 hours of music playback. 3.ALL CONTROL IS WITHIN GRASPEasy control of the headphones with the toucharea beneath the right ear cup 4.DUAL MODE CONNECTIVITY Built-In Microphone 20H Long-Lasting Battery Life 5.PERFECT COMFORT Listen to your favorite music with plushyleatherette ear padded cushions.