Charging input: DC5V/1A Power: 5W Battery model: 18650 battery (removable) Package list: 1 fan, with base, 1 USB charging cable Operation method: Adjust the fan to 3rd gear. After starting the machine, press the first time to set it to 1st gear, press the second time to set it to 2nd gear, press the third time to set it to 3rd gear, and press the fourth time to turn it off
