This headphone features 32mm drivers for JBL's pure bass sound and up to 40 hours of battery life. It supports multi-point connections for easy switching between devices. Easy to use, these headphones provide up to 40 hours of pure pleasure and an extra 2 hours of battery with just 5 minutes of power with the USB-C charging cable. Price drop from $49.95 to $19.99 w/free shipping.