3-in-1 Multi-Functional Design: Can be used as a neck fan, handheld fan, or desktop fan for ultimate convenience. Portable & Foldable: Lightweight and compact (149*70*20mm), easy to fold and carry in your pocket, purse, or backpack. USB Rechargeable: Built-in 800mAh battery supports USB charging, providing long-lasting cooling. Silent & Efficient Cooling: Low-noise motor ensures quiet operation, making it perfect for work, study, and travel. Adjustable Wind Speed: Choose between low, medium, and high wind settings to suit your cooling needs. Power Bank Functionality: Doubles as a portable power bank to charge small devices in emergencies. Ergonomic Hands-Free Design: Comfortable neckband allows for a hands-free cooling experience. Safe & Durable Material: Made of premium ABS material, ensuring durability and safety. 360° Adjustable Angle: The fan head rotates freely to provide customized airflow direction.