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, Dependant on usage patterns 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