Black Friday Continuous music playback time: Max. 30 hours(NC ON), Max. 40 hours(NC OFF)Continuous communication time: Max. 24 hours(NC ON), Max. 28 hours(NC OFF) Battery, Maximum music play time with ANC off (hours) 65 Maximum music play time with ANC on (hours) 50 Maximum play time (hours) 65 Maximum talk time (hours) 33 Battery, Up to 30 minutes on Auto mode with electrical nozzle; 13 minutes on Turbo Mode; maximum 100 minutes on Eco mode with non-electrical accessory Battery