- Smart Battery Power and Speed Display: desk fan with a large 5000 mAh battery. The digital display shows remaining battery power and current wind speed, allowing you to monitor power and adjust settings anytime, anywhere. - Long runtime: operates for approximately 12-20 hours on a full charge (tested across different wind speeds). - 100 speed adjustable wind: wind speed is adjustable from 0 to 100 in five ranges 0-20: sleep wind 20-40: natural wind 40-60: refreshing wind 60-80: strong wind 80-100: circulation wind - Quiet, high-speed performance: top speed is 2500 RPM with a noise level under 30 dB. - Ultra wide-angle square-shaped design: housing is configured to capture wind energy from all sides and deliver high-speed air flow. - Versatile usage: suitable for office, desktop, bedroom, kitchen, camping, and travel environments. - Practical benefits: provides portable, battery-powered cooling without relying on mains power; easy to place on a desk or small surface for personal cooling. - Use scenarios: - At a home or office desk for personal cooling without being tethered to a wall outlet. - In a bedroom or kitchen where a quiet, adjustable breeze is preferred. - On camping trips or during travel where a compact, battery-powered fan helps maintain airflow in tents or hotel rooms.