1. High quality components: This mini fan features ultra high quality high-speed bearings, a new CNC metal turbine, brushless motor, and manual winding motor 2. Infinite variable speed adjustment: can be freely to meet your requirements. 3. Portable and compact: Small in size, , easy to carry, and suitable for outdoor use. 4. LED display screen: Multi functionality makes use more intimate and suitable for indoor and outdoor use 5. Uses: Air cushion blowing and suction, computer equipment cleaning, industrial dust blowing, charcoal combustion assistance, car snow blowing, film studio and air conditioning, pet drying, etc. Standard: Product Material: ABS Motor speed: 90000RPM Wind speed: 50m/s Maximum power: 90W Working voltage: 7.4V Battery capacity: 8000 mAh Wind pressure: maximum 200g Speed regulation: infinitely variable speed regulation Charging: Type-C interface Colour:Black Material:ABS Package Contents: 1 * turbo fan 1 * mouthpiece 1 * data cable Only the above package content,