With a leather headband, these JBL Everest Elite 750 are great for heavy use and easy cleaning. Smartly engineered, enjoy wireless freedom with up to 20 hours of listening pleasure on a single charge. In Adaptive Noise Cancelling (ANC) mode, control what you want to hear for up to 15 hours. A 3-hour quick recharge, Legendary JBL Pro Audio Sound, compact hard carrying case and flat-fold design elevate these headphones to travel companion par excellence. The My JBL Headphones App features include over-the-air updates that future-proof these headphones, and TruNote™ Auto Sound Calibration that personalizes the audio performance based on ear cup fit, delivering the most authentic version of music possible.