Battery Life
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) (0), up to 18 hours of normal use, up to 36 hours in Low Power Mode (0), Depending on use. Charge time 5 to 10 hrs (3)
