little fan desktop wall-mounted dual-purpose desk fan usb charger plug-in type office student desktop fan power display

white【 built-in 1200 ma batteries] 2 hours of battery life white【 built-in 2400 ma batteries] 4-hour battery life white【 built-in 3000 ma batteries] 6 hours of battery life beige [built-in 1200 ma batteries] 2-hour battery life beige [built-in 2400 ma batteries] 4-hour battery life beige [built-in 3000 ma batteries] 6-hour battery life pink [built-in 1200 ma battery] battery life of 2 hours pink [built-in 2400 ma batteries] 4-hour battery life pink [built-in 3000 ma batteries] 6 hours of battery life

11.5cm