Feature:1. Large‑capacity battery: Built‑in 2400mAh large‑capacity battery has a long‑lasting battery life, which can ensure that you will not suddenly be unable to work due to insufficient power during daily use2. Although it is small, it is very windy. Its streamlined fan blades to reduce noise, reduce wind resistance and increase supply area. It is an ideal choice for family, car, office, desktop, camping or traveling.3. This desktop fan uses a high‑efficiency motor, which runs smoothly, reduces friction, and runs silently to accompany you to a good night's sleep. Low‑decibel operation, quiet and comfortable to rest in a quiet environment4. The colorful night light creates a romantic for you at night, giving you a relaxed and comfortable feeling, which will not disturb your sleep, but also give you a certain sense of security.5. The wind speed changes smoothly with the adjustment of the button. You can choose the most comfortable speed according to your needs.How to Use:Fan function1: Short press once to turn on the fan one gear‑voltage: 5V2: Short press again to turn on the second gear of the fan‑voltage: 7V3 Short press again to turn on the fan three single‑voltage: 9V4: Short press again to turn off the fan‑1‑4 cyclesAmbient light function1: Short press once to turn on the ambient light.2: Short press twice to turn on the color