Smart case controls without phone on any device. Control tracks and calls on the exterior smart display. Display activates spatial sound feature and smart ambient. SilentNow - disconnect Bluetooth and turn on ANC. Find My Buds feature. See message notifications. True Adaptive Noise Cancelling. Smart Ambient Sound. Personal Sound Amplification. VoiceAware. JBL Spatial Sound. 10 Hours of playback with ANC off - 30 hours with case. JBL Headphones app. Personi-fi 2.0 - shape audio to match listening profile. Charging cable and 3 eartip sizes.