his amazing fan comprises of the following : Three - phase speed adjustment Double mode power supply, With touch switch control Chip - on - board led Effective wind speed: 4.2 m /Battery capacity: 3000 mah, Battery voltage: 4v input: 5 A-1 A, Power: 1W Power using time: weak wind - 4 hours, Middle wind - 2.5 hours, strong wind - 1.2 hours Working mode, a usb port charging or built-in battery. It is most useful for indoor and outdoor events. It last very long and doesn't consume space. Touch Control
LED light
Effective Wind Speed
Battery Capacity of 3000mAh
Durable
his amazing fan comprises of the following : Three - phase speed adjustment Double mode power supply, With touch switch control Chip - on - board led Effective wind speed: 4.2 m /Battery capacity: 3000 mah, Battery voltage: 4v input: 5 A-1 A, Power: 1W Power using time: weak wind - 4 hours, Middle wind - 2.5 hours, strong wind - 1.2 hours Working mode, a usb port charging or built-in battery. It is most useful for indoor and outdoor events. It last very long and doesn't consume space.Touch Control
LED light
Effective Wind Speed
Battery Capacity of 3000mAh
Durable