2. 130° automatic rotation,wide angle air supply.
3. Built in 3600mAh battery,wireless use for 2-12 hours.
4. 4-speed wind,adjustable at will.
5. Safety net cover, does not hurt hands.
Working time:
*First mode: First gear for 12H, Second gear for 7H, Third gear for 3.5H, Fourth gear natural wind for 7H
*Second mode: First gear+rotation for 4H, Second gear+rotation for 3.5H, Third gear+rotation for 3H, Fourth gear+rotation for 3.5H
***The data are all from the laboratory. In actual use, due to external factors such as ambient temperature, the use time may vary slightly, please understand***