Features: Brand new and high quality This mini fan delivering strong performances with wind speed exceeding 45m/s. It is equipped with a 28.8mm diameter, low-voltage brushless high-speed motor operating at 8.4V. Built with 13 large-sized leaf precisions machined using technology, this violent fan operates quiet while providing a robust airflows The small jet fan comes with two built-in 18650 power batteries, each with a capacity of 2500mAh. With excellent endurances, it can sustain usage for approximately 8-15 minutes on the highest setting. This powerful blower efficiently manages heat while delivering power of 150W. Experience outstanding performances without compromising safety or comfort. With its mini size and portability, this pocket dust blower is practical for travel use. The fan allows adjustable speed, providing customization for any desired airflows. Simply press and hold to start, and release the button to stop. Specifications: Material: ABS Speed:110000RPM Size:Approx.18x9.5x6cm/7.08x3.74x2.36inch Package Includes: 1x Mini Blower Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.