SIEYIO Blower Fan Violent Fan 150000RPM Powerful Fan Speed Adjustable Fan Blower Air Duster for

and This fan delivering strong performances with speed exceeding 45m/s. It is equipped with a 28.8mm diameter, low-voltage high-speed motor Built with 13 large-sized leaf precisions machined using technology, this violent fan operates quiet while providing airflows The small fan comes with 3 built-in 18650 power batteries, each with a capacity of 2500mAh. With excellent endurances, it can usage for approximately 8-15 minutes on the highest setting. This powerful blower efficiently manages heat. outstanding performances without compromising or comfort.