Energy-Efficient Cooling: Designed with a high-efficiency motor and optimized airflow, this small bladeless fan delivers powerful 7W performance. Enjoy enhanced cooling and heat dissipation, transforming your space into a refreshing breeze akin to natural wind. NOTE: The charger's output power needs to be greater than 10W (a 5V/2A charger is recommended) Secure Bladeless Design: The innovative bladeless desk fan avoids the hazards of traditional blades, making it ideal for homes with babies, children, and pets. Featuring aerodynamic principles and a secure air intake grille, it ensures smooth airflow with enhanced wind volume, offering peace of mind with every breeze. Lightweight & Compact: With an ultra-lightweight design of just 1.54 lbs with a 5000mAh built-in battery, this portable bladeless fan is easy to move and fits into any corner without taking up space. Ideal for flexible layouts and constant cooling wherever you need it. Operation Made Easy: The button control bladeless quiet office fan features an LCD display and responsive touch buttons, allowing seamless adjustment of 6 wind speeds. From gentle breezes to strong airflow, it adapts to your cooling needs, making every moment refreshingly versatile.