1. High quality components: The fan uses a brushless DC high-speed motor with a maximum output speed of 140,000 RPM, which can generate a maximum wind speed of 60 meters per second. 2. Three speed regulation: There are three gears in total, the has a speed of 40,000 rpm, the second gear has a speed of 100,000 rpm, and the third gear has a speed of 140,000 rpm, wind force up to 16 levels. 3. 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. 4. Long battery life Cordless design: Our powerful Turbo Jet Fan is equipped with built-in (two 217000 capacity 4000mah batteries), which can achieve wireless operation without external power supply. Enjoy the convenience of long-lasting use. 5. Over-temperature protection: When the core component temperature exceeds 150°C, the fan automatically stops running to prevent danger caused by over-temperature. Usage: Air cushion blowing and suction, computer equipment cleaning, industrial dust blowing, charcoal burning to support combustion, car blowing and snow blowing, film studio and wind making, drying pets, and many other uses. Type: Turbo fan Wind speed: 60m/s 140,000 RPM/minute Wind pressure: 200g Charging interface: TYPE-C Motor: Brushless DC high-speed motor Voltage: 6-8.4V Usage time: 1st gear can be used continuously for 4 hours Colour:Black Material:ABS+PP Package Contents: 1 x Turbo Jet Fan 1 x USB cable 1 x blowing nozzle 1 x vacuum nozzle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.