Press the rotating button to turn on the fan. Wind power can be controlled. The wind changes from strong to weak. Press the LED button for the first time, the light is High ; Press the LED button for the second time, the light is Low. Rechargeable Multifunction / Multiposition Folding Fan & LED Light With USB Charger. When the light and fan speed is weak the power supply needs to be recharge the fan for 5-6 hours. When charging all the working power of the product must be cut off. Please don't enter your finger into the protective screening to avoid being hurt or breaking down the machine. Children under the age of 10, please use under adult supervision.