Powerful Sound: The Live 770 NC headphones are made with 40 mm drivers for amazingly immersive JBL Spatial Sound and dynamic JBL Signature Sound, taking regular stereo sound to the next level Uninterrupted Tunes: True Adaptive noise-cancelling automatically blocks out distracting background noise using four sound-sensing mics, while Smart Ambience keeps you aware of your surroundings Non-Stop Listening: Long-lasting fun with 65 hours of wireless battery life: get a full charge in just 2 hours or use the speed charge feature for a quick boost in just 5 minutes Useful Features: With auto play and pause when you take the headphones off, useful voice assistant compatibility and 2 beamforming microphones for high quality calls, these headphones have it all Items Delivered: 1 x JBL Live 770 NC headphones, 1 x USB-C Charging Cable , 1 x Detachable audio cable, 1 x Warranty/Warning , 1 x Quick Start Guide