True Adaptive Noise Cancelling technology automatically uses noise sensing mics to adjust to your surroundings in real-time. 40mm drivers offer immersive JBL Spatial Sound that turns any stereo content from any device into virtual surround sound. If you want to hear the world around you without removing your headphones, Smart Ambient sharpens the sounds of your surroundings. Up to 65 hours of battery life. Bluetooth v5.3.