ADAPTIVE NOISE CANCELLATION: Adjusts sound automatically to your surroundings, eliminating the distractions. When you wish to hear your surroundings, easily switch to Smart Ambient, without removing your headphones.;THEATRE-LIKE AUDIO: Along with powerful JBL Signature Sound, the 40mm drivers offer immersive JBL Spatial Sound that turns any stereo content from any device into virtual surround sound. 65 HOURS PLAYTIME: Enjoy up to 65 hours of playback, or up to 50 hours with True Adaptive Noise Cancelling and Bluetooth enabled. Speed charge for 5 minutes to get an extra 4 hours of battery life. CUSTOMIZABLE SOUND: Personi-Fi 2.0 helps you tailor your sound profile based on your gender, age, preferences offering the best listening experience. JBL headphones app allows you to customize the EQ, ANC, ambient sound control and more. SEAMLESS CONVERSATIONS: Enjoy uninterrupted calls in windy surroundings with 2 beamforming in-built mics. TalkThru technology also allows you to have a clear conversation with the person next to you, without removing your Bluetooth headphones.; CONNECT MULTIPLE DEVICES AT ONCE: Effortlessly switch from one Bluetooth device to another. Never miss a call as you can easily switch from a video on your laptop to a call on your mobile phone Model: Jbllive770ncblk; Control Type: Voice Control