40H Max Running: AMACOOL waist clip fan is designed with buyer's needs in mind, providing up to 40 hrs of continuous airflow at wind speed 1 with the 10000mAh built in battery, it lasts up to 8 hrs even in the strongest speed, greatly reduces the number of recharges, LED display let you know when to charge; Feature with a 5V-2A USB output port to charge your phone in emergency Super Powerful Cooling: Our designers have expertly balanced the fan's air speed and duration, with the latest straight-through structure and an upgraded, more powerful motor, this shirt fan delivers max 16000RPM volocity airflow -15% faster than similar 10000mAh waist fans, and battery life of top speed has extended from 6 to 8 hrs, quickly and consistently cools your body on summer hot days Versatile Belt Fan: Use it as a waist cooling fan when clip it on belt, shirt, or pants, or as a neck fan to free your hands with a landyard, bracket design lets it stand as a desk table fan; It also features an ultra bright LED light and SOS flashlight, making it useful for nighttime walks and outdoor adventures Designed for Outdoor: Designed for most outdoor usage scenarios, personal waist fan has a anti-slip silicone cover, anti-drop and shock-proof, plus upgraded Manganese steel clamp offer strong grip force to keep it firmly, durable for outdoor use such as working at heights, construction sites, workshop works, etc. 50-60db meets outdoor minimal noise yet may become noticable in quiet environments, please think about it before using indoor Rechargeable & Portable: Wearable small fan get power supply from USB devices via 5V-2A input port within 4-5 hours, and support working while charging, ensuring continuous comfort wherever you go. Only 0.63lb, so you can take it anywhere, perfect for camping,travel,fishing,Disney,hiking,cycling; Package includes AMACOOL belt fan, USB-C cable, adjustable landyard Size 3.38*1.81*3.85 Brand AMACOOL Color Lavender Style Industrial Batteries 2 9V batteries required. Room Type Outdoor Working Travel Model Name K50 Item Weight 10.1 ounces Power Source Battery Powered Special Feature Lightweight Item model number K50 Product Dimensions 1.81 D x 3.38 W x 3.85 H Electric fan design Wearable Fan Recommended Uses For Product Cooling