These JBL Live wireless over-ear noise-canceling headphones feature JBL Signature Sound with Bluetooth 5.3 and LE audio support, plus Smart Ambient so you can hear around you and True Adaptive Noise Cancelling. The headphones have up to 50 hours of battery life with ANC on and 65 hours with ANC off, a Personi-Fi 2.0 custom sound profile, over-ear design and lithium-ion 850mAh 3.7V battery.