F028# Bulb: 12 2835 white lights (8 white + 4 red) Usage time: about 2 hours at low speed; about 12 minutes at high speed Charging time: about 7 hours Fan diameter: 29mm Number of blades: 13 Maximum speed: 130000 rpm Function: white light, strong - weak - flashing Red light on - red light flashing Stepless speed change, Type-c interface charging, power display Battery: 2*4000 mAh, 21700 battery (built-in battery) Product size: 71x45x142mm Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Material: ABS colour: As Shown Package Contents: 1 x Mini Fan Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.