Enhanced Portable Desktop Fan: The F11 personal fan uses a rechargeable 4000mAh battery and is designed to be thin, and easy to carry. Providing long-lasting , it is suitable for use in various environments, whether it is the bedroom, or outdoor travel, providing a continuous cooling experience. Five-speed adjustable settings and ultra-wide-angle : Provides five wind settings (light breeze, soft breeze, , strong breeze, natural wind), which can be adjusted according to personal needs to meet different usage scenarios. The ultra-wide-angle square distribution structure can send high-speed airflow from all directions, bringing coverage of cooling. 180° foldable design and ultra-quiet: This folding electric fan supports a 180-degree folding design and can be used as a handheld, placed on a table or hung, making it very flexible. Its silent design is suitable for use when working, studying or sleeping where a quiet environment is required. Dual-mode power supply: With both battery and USB power supply methods, this desktop fan can be powered even when there is no socket. LED display and exquisite design: The LED display makes fan operation more intuitive and easy to monitor the current wind speed status. The compact design and light weight make this foldable fan very suitable for traveling.