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 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