... .2300RPM speed,96mm blade diameter, new DC brushless motor,strong wind , super quiet.2.5V USB power supply, plastic shell ,special mesh enclosure design ... by 360°7.Dimension:158*107*200mm, weight: 185g, easy to carry.8.Fan occupies small room,stable structure, easy ... to place. 9.Appearance delicate, can be used in any occasion. ...