The compact USB air blower operates via a USB cord and works with PCs, laptops, power banks, car chargers, and other USB-compatible power sources. It features adjustable speed settings, making it ideal for cooling various electronic devices or for DIY ventilation tasks. This small centrifugal fan is perfect for inflatable setups, outdoor campfires, or indoor air circulation, and is suitable for barbecues, fireplaces, fire pits, grills, smokers, and camping activities. This text describes outdoor fireplaces and small electronic devices that require cooling ventilation. It features a 2-inch electric bellow with a protective finger guard and vents for efficient airflow, as well as options for connecting extension ducts. Additionally, it includes specifications for a squirrel cage fan measuring 97 x 97 x 33 mm, with a sleeve bearing, operating at 5V and 0.6A, achieving a speed of 2800 RPM, an airflow of 20 CFM, a noise level of 36 dBA, and a power consumption of 2.5 watts, with a USB connector. r Pressure:0.63 In H2O 【Service】Don't hesitate to reach out if you encounter any issues with the product or require technical assistance. We will respond within a day.