[Small in Size, Big on Function] Personal fan combines USB-powered and battery-operated functionality. This compact desk fan is ideal for everyday use to stay cool on hot days and meets diverse cooling needs. [3.5–9.5 Hours of Cooling Time] Provides up to 9.5 hours of continuous operation on a single full charge in battery mode, or unlimited runtime when used with USB power. The 2600mAh rechargeable battery supports use during travel, sleep, work, and other indoor or outdoor activities. [Powerful 3-Speed Airflow] Offers three adjustable speed settings for customizable comfort—from a gentle breeze to strong airflow—designed to suit your cooling preferences. [Ultra-Quiet & Portable Design] Features a foldable bracket for easy portability. Operates at less than 35 dB, making it suitable for work, study, sleep, and meetings without disturbance. Material: ABS Color: Black Package Includes: 1 × Personal Fan, 1 × USB Cable, 1 × English Manual Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.