The maximum speed of the turbo fan is 130000 rpm electric motor, with a wind speed exceeding 52m/s (for super typhoons 51.0m/s). It can easily remove dirt in various spaces on the keyboard or any electronic device This product is built-in two 217000 capacity 4000mAh batteries, enjoy the convenience of long-lasting use It is made of high hardness and high-temperature materials, with a perfect texture, strong power, and low heat power generation. It is easy to carry, , and comfortable. a more convenient and long-lasting user experience Convenient handheld mini turbo fan, small enough to easily fit inside a backpack without taking up space It is a versatile cleaning tool for home, car, and office, suitable for carbon fire blowing, industrial dust blowing, blowing, keyboard cleaning, car and motorcycle cleaning, car center console cleaning, car crevice cleaning, foot mat crumb cleaning, picnic garbage cleaning, etc Product Name: Turbo Fan Battery: Lixin 21700 Cell 4000mah*2 (7.4v) Motor: 13w Rpm High-Speed Brushless Motor, Up To 230w Wind Speed: 52 Meters / Sec Function: Snow Blowing / Fuel / Blowing / Clean Dust, Etc. Operation Mode: Rotary Button Type Noise: 70db Or More Colour:A:Black Material:ABS Package Contents: 1 x Turbofan 2 x Different Shaped Air Nozzles 1 x Type-C Cable 1 x English manual 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.