Dual Direction Airflow: This doubleheaded desktop fan directs airflow in two directions simultaneously, helping keep your space comfortable whether you are at your desk or traveling. Cooling Power: Three adjustable speed settings let you tailor the airflow from a gentle breeze to stronger wind, making it suitable for use in various indoor settings. Rechargeable Cordless Operation: Builtin rechargeable battery provides cordless convenience, allowing you to move it between rooms or outdoors without needing a power outlet. USB Powered Flexibility: This doublelayer fan can be charged from any USB power source such as laptops or power banks, enabling continuous operation and making it a portable cooling solution for your desk or bedroom. Use scenarios: At a desk or home office for cooling during work or study. Moving between rooms, dorms, or hotels while traveling or staying in different spaces. Outdoors on a patio or during travel when a USB power source or power bank is available.