Summer cool wind! Feel free to enjoy!Olsenmark Desktop Rechargeable Fan with LED lets you experience the natural wind, brings you a cooler experience, and instantly get rid of the heat of summer. Modern look, Easy to store, convenient to move, USB Rechargeable Fan, Side night light makes this Olsenmark Desktop Fan unique from other normal fans. Bright LED Light for illumination use in the night or when you are camping in the summer. This battery-operated fan uses a lead-acid battery with a capacity of 4V, 3000mAh. It can provide continuous wireless breeze on full charge for hours making it ideal for camping and outdoors. The fan requires 4 to 6 hours to charge completely. It can provide 2-2.5 hours strong wind or 6-8 hours weak wind with 5-6 hours strong light or 8-10 hours weak LED light making it ideal for camping and outdoors. It can also be very useful in unannounced or sudden power outages. It also runs on a USB plug for continuously giving a light breeze on hot days. The grille is very easy to remove, slightly twist and remove the fan's front grille to clean the dust on blades. Clean and healthy. With the foldable handle design, it is convenient to hold in hand when using, and can operate perfectly on your desk.