Fan blade diameter:

N15 Snow Peak White

N15 cherry blossom

N15 Violet

N15 dark night Green

N15 deep blue

Color:

N15A top with 3000m [send incense + lanyard] measured endurance 7-12H

N15A top with 4000m [send incense + lanyard] measured endurance 9-16H

N15A top with 5000m [send incense + lanyard] measured endurance 12-20h

N15A top with 10000M [incense + lanyard] measured endurance 24-40h

N15B running amount 2400m [incense + lanyard] measured double electric endurance 5-10H

N15B runs 1800m [incense + lanyard] measured single power endurance 7h