Portable 40000mAh Clip Fan USB Silent Swing Night Light Rechargeable Cooler for Stroller & Travel

【Core Selling Points】Long-Lasting Battery · Quiet Natural Breeze · Versatile UseEquipped with a 40000mAh high-capacity lithium battery, USB-powered with 5V/5W rated power, supports 8+ hours of continuous operation. Features 5-speed mechanical wind control + natural wind mode, paired with ≤36dB ultra-quiet design, ideal for office/sleep environments. The 8-shaped oscillation mode and swivel head air delivery ensure even, gentle airflow across wide areas.【Technical Highlights】Power Solution: USB-powered (5V/5W), compatible with power banks, computers, and adapters for portable charging.Quiet Performance: ≤36dB noise level, library-level quiet operation, non-disruptive for work or study.Wind Control: 5-speed mechanical adjustment + natural wind mode, mimicking outdoor breezes for comfortable, non-harsh airflow.Battery Life: 40000mAh capacity, supports charging while operating, with 8-hour timer to prevent over-discharge.Flexible Operation: Mechanical knob control for durability; 8-shaped oscillation + 360° swivel head for adjustable airflow direction.【Design Upgrades】Lightweight design without ice crystal box for enhanced portability; supports charging for on-the-go power needs.Mechanical operation mode reduces electronic components, lowering failure rates and simplifying maintenance.Complies with 2026 energy efficiency standards, 5W rated power ensures energy efficiency for long-term cost savings.【Recommended Scenarios】Office Desktop: Quiet operation without disturbing colleagues; natural wind mode enhances comfort.Bedroom Sleep: Low noise (≤36dB) + timer function ensures undisturbed sleep throughout the night.Outdoor Camping: USB power + large battery capacity ensures reliable performance during picnics/camping.Student Dormitory: 5-speed control adapts to study/rest needs; mechanical design ensures durability.【Competitive Advantages】Compared to traditional fans, this model offers multi-scene adaptability via USB power, 25,000mAh battery breaks limits, 36dB quietness outperforms peers, and 5-speed mechanical control + natural wind mode delivers authentic breeze experience. The 8-shaped oscillation + swivel head design enables 3D airflow, making it a portable, quiet, and comfortable all-in-one fan solution.