JBL Tune 720BT Wireless Bluetooth Noise-Cancelling Over-Ear Headphones | WhiteKEY FEATURES Over ear headphones Active noise cancelling with quick attention mode Battery life: Up to 44 hours Bluetooth multipoint for switching between devices Microphone volume playback & functions control OVERVIEW These headphones use JBL's Pure Bass Sound to give you high quality audio with plenty of low end thump. They've got Adaptive Noise Cancelling, so you can enjoy more music and less of the hustle and bustle around you. And better still,