Hanging Neck Foldable Small Electric Fan Portable Handheld Creative Student Dormitory Sports USB Outdoor Mini Fan|Fans Hanging Neck Fan Portable Mini USB Rechargeable 5V 3 Speed Summer Cooler Small Handheld Electric Cooling Fan for Home Travel Office Feature: 1. Small and lightweight, easy to put into bags and pockets; 2. Release hands and wear comfortably; 3. Suitable for home, office, sleep and outdoor; 4. Three speed; 5. Adopt innovative spiral pinnate design to achieve uniform and dense cutting airflow; 6. Support USB interface of mobile power supply, charger, computer, notebook and vehicle to charge. Specification: Product model: F3 Endurance: 4 hours Input voltage: 5V Output voltage: 5-9V Output power: 4.5W Battery type: polymer battery Battery capacity: 1200mAh Gears: 3 Fan leaf: 7 leaves Product size: 170 * 78 * 30mm Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement.