1. This small fan can be powered by a desktop computer charging head. It is suitable for student dormitories and office desks. It is a mini silent electric fan and can be used in various places, such as dormitories, offices, living rooms, study rooms or outdoors. 2. It has 6 functions: - 2.1 The foldable body is easy to store. - 2.2 It has large - capacity batteries to extend battery life. - 2.3 It has a humanized low night - light mode design. - 2.4 It is equipped with brushless motors with high wind power. - 2.5 It has a 75 - degree angle. - 2.6 It operates with a deep and quiet bass. 3. The 75 - degree angle makes it more convenient and comfortable to use. The adjustable angle for different needs is beneficial for daily life and easy to operate. 4. It uses TYPE - C USB charging with a built - in battery. It has a longer battery life, a battery compartment design, strong power and a longer cycle life. 5. Usage: - 5.1 Press the button of the desk lamp and hold down the "On/Off" button to adjust the light brightness for different usage scenarios. - 5.2 Press the steering wheel button to adjust the steering. - 5.3 Select from three wind speeds by clicking to adjust the gear. 6. Product Description - Parameters: - 6.1 Rotation angle: 75 degrees up and down. - 6.2 Battery used: 18650 lithium battery. - 6.3 Material: ABS + PP+electronic. - 6.4 Charging voltage: 5/2A. - 6.5 Fan gear: 3 adjustable wind speeds. - 6.6 Composition: 1x fan, 1x USB data charging cable.