AJVV Waist Fan Clip On, 100 Speeds & 15000 RPM Strong Airflow, 40H Long Working Time, Hands-Free Neck & Belt Fan, Under Shirt Fan for Outdoor Work

["【100-Level Stepless Speed Control】Our portable waist fan uses 100-level stepless speed control for precise airflow adjustment. Unlike basic fans with just a few fixed speeds, you can easily dial in any breeze—from soft and gentle to strong and powerful. Whether you’re working outdoors, gardening, camping, or hiking, you’ll always find your perfect cooling level.","【Ultra-Long Lasting Battery】This clip-on shirt fan provides up to 40 hours of cooling (based on speed settings). Our waist clip fan fully charges in just 4 hours and can even charge while running.Note: Please use a 5V 2A DC charger; otherwise, charging may be slow or the fan may not work correctly.","【4-in-1 Versatile & Hands-Free Design】This 4-in-1 portable fan works as a waist clip fan, desk fan, and neck fan all in one. You can clip it to your shirt, belt, or pants; wear it around your neck with the included lanyard; or set it on any flat surface with the built-in stand. Portable travel fan hands-free design is perfect for all-day work, travel, hiking, and daily use.","【High-Speed Powerful Motor】With an upgraded 15000 RPM motor, this waist fan delivers a strong 12m/s wind and powerful airflow for fast cooling. It quickly blows away heat and sweat, keeping you cool and fresh even in hot weather.","【Multi-Function Design】The AJVV mini wearable fan does more than just cool you down. It can charge your phone in an emergency and has a built-in LED light for outdoor use, so you stay powered and safe outside."]