Power Supply & LED Indicators]: USB charging from PC, power bank, USB charger, car charger, and also can be powered by USB power source, this USB ceiling fan is equipped with large capacity rechargeable battery, which can continue to run for 27 hours at the first speed, providing you with long-lasting coolness outdoors. This enhanced portable fan comes with 5 LED indicators(Red one for power indicator, four blue ones for indicating the wind speeds operating grades). [Compact Size & Ultra Quiet]: The fan measures only 7.89 x 8 x 3.42 inches (200.5*87*203 mm), lightweight, mini size make it carry or storage easily. And this fan has an ultra quiet operation, for the low noise is about 20-40 dB, quieter than in a library. You definitely do not have to worry about the fan interfering with your rest,an extremely comfortable personal space we 'll provide for you with our mute portable fan. [Multifunctional Mini Ceiling Fan]: With a hanging rope and hook included, you can hang it on tent, place it on your office desk, or mount it onto the wall. This small fan supports a vertical 360°rotation that allows you to get airflow from different directions. Perfect for both indoor and outdoor uses (camping/dormitory/home/office). [High Battery Capacity & Ultra-strong Airflow]: With the built-in rechargeable 4000 mAh high-capacity battery, the personal fan can last for 4-27 hours after being fully charged, depending on the using speed. Equipped with high quality brushless motor, it offers adjustable 4 wind speeds to meet your preferences and produce stronger airflow, so you can still enjoy the strong cool airflow at a very long distance。we will do our best to help you. The following items are provided for you: 1 × Mini Ceiling Fan, 1 × USB Charging Cable, 1 ×Metal Hook