High-Speed Brushless Motor: Experience powerful cleaning with the Jet Fan Electric Air Duster, which can reach speeds of up to 130,000 RPM. Its strong wind force effectively removes dust, rain and snow, and is ideal for a variety of cleaning tasks Stepless Adjustment & Long Battery Life: Customize the air volume to your specific needs with stepless adjustment. Equipped with a 4000mahx2 battery, it can be conveniently , in the office or in the car via USB and Reusable: Made of materials, this portable air duster is ergonomically designed for comfort and an environmentally friendly alternative to disposable compressed air cans Wireless design, no need to find a power source Multi-Purpose: Perfect for cleaning dust from electronic devices, outdoor leaf blowing, pet hair drying, car snow removal, etc Battery capacity: 4000mahx2 (10C rate) 3H/7.4V Charging time: about 2.7 hours Number of cycles: 300/times Working temperature: 0-45 Maximum wind speed: 54m/s Rated voltage: 7.4V Rated current: 22A Gear: stepless speed regulation, 52m/s wind speed 190g blowing force Continuous working time: 12min-4H Working noise: low speed gear 55dB, high speed gear 68dB Charging interface: TYPE-C fast charging: 5V/3A, 9V2A Charging parameters: fast charging, 5V/3A, 9V/2A overcharge, over discharge, overcurrent protection Colour:Black Material:ABS+PC Package Contents: 1 x Turbo Jet Fan Kit 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.