Cool On The Go is a revolutionary personal cooling system that was designed with convenience in mind. It's lightweight and features a compact design that leaves your hands free as you’re working or playing in the heat! While other personal fans are often bulky hand-held products that barely produce any airflow, the Cool On The Go PUMPS out air! It provides users with over 5 hours on high and over 8 hours on low, of a continuous steady airflow to help anyone keep cool and refreshed. Suitable for all ages! Ideal uses include: Baby Stroller Fan Infant / Child Car Seat Fan Crib Fan Desktop Fan Camping Fan Use at Sporting Events Playing Golf Gardening Poolside Concerts Many More – Use Your Imagination! Cool On The Go provides over 5 hours of hands free, continuous cooling use on high speed and over 8 hours on low speed (using high performance Cool On The Go batteries, available separately. Performance varies using regular AA alkaline or other rechargeable batteries). Uses 4 AA Alkaline or rechargeable batteries (Not included. Please don't mix&match batteries). Package includes: Revolutionary Cool On The Go Fan USB Cable Neck Lanyard Available Accessories (Sold Separately): Cool On The Go high performance NiMH AA batteries High performance 7.5V wall charger – Designed specifically for Cool On The Go High performance 7.5V charger – Designed specifically for Cool On The Go. Great for road trips.