- Unique and Stylish "Shark Fin" Fan Blade design. - 15 fan blades generates High Air Pressure and Air Flow - the most fan blades in the world !!!! - Innovative Fluid Dynamic Bearing delivers longer life span, higher precision rotation and anti- - shock function. - Duo Mode Operation - The Shark fan operates in both "Power" mode (12V) and "Silence" - mode (7V - with adaptation of Voltage reduction cable). - All cables are "black" sleeved. - Accessories include a Voltage Reduction cable, a 3 to 4 pin converter cable,4 units of Anti- - vibration Rubber Screws and 4 units of standard screws.