Long battery life wireless design:His powerful hair dryer is equipped with built-in capacity 5200mah batteries, which can achieve wireless operation without external power supply. Enjoy the convenience of long-lasting use Portable and compact:With its mini size and design, it is very convenient to carry. The compact body of the turbo fan makes it easy to carry and easy to use outside Super strong wind speed:The machine has four gills that actively dissipate heat through air vents, effectively expelling hot air from the cabin, providing protection for long-lasting operation Easy to use operation:Knob stepless speed regulationThe user-friendly design of portable turbo fans ensures easy functionality. In addition, the charging board also has safe and reliable charging protection and overheating protection functions. The internal brushless motor can achieve high speeds of up to 120000RPM (revolutions per minute)