1)Material: ABS
2)Adjustable flexible joints allow driver and passenger seats to experience cooling
3)Multifunctional fan for car and household
4)3 grades wind speed adjustable
5)Charge by 6V/3.5W solar panels,or AC
6)1pc 3.7V/4800mAh lithium battery
7)Rechargeable time: based on the strength of sun or AC power (about 5-8 hours)
8)Emergency duration: about 2-19 hours