This SkyGenius portable mini fan is perfect for indoor and outdoor activities, such as for home, office, gym, travel and baby stroller. With rechargeable batteries, this mini fan has larger capacity and 6 ~ 40 hours longer working hours. Desktop and clip on design, it can be put on the desk or clip on anywhere you want. This personal fan is lightweight and portable with powerful & stepless speed regulation. Attached with foam, it can add essential oil as aroma diffuser.