This solar fan is suitable for many purposes such as : outdoor work, power failure emergency, outdoor construction site, contractors that work in the attic during Summer time, countries that have poor electricity. This solar fan can be used as a power bank to charge mobile phones.
Fast charging 
Bass noise reduction
Technology and energy saving solar powered
No wasting electricity bills as long as the sun is available
Solar power technology
Energy and Zero power consumption 
Convenient charging
Two charging modes: home adapter charging and Solar charging
A solar radiator that converts heat from light using porous absorption of solar  energy . The solar panel can be used for 4 -12 hours after being exposed to the sun for 4 hours.
N.B   This is suitable for countries that have poor electricity. A this product being exposed to the sun for only 4 hours will provide you cool air  while sleeping for 6 to 8 hours. No more cardboard for cool air. In addition  you don't need to pay anymore for charging your phone