:- USB Power and Charging- Product Power 3.5W- Small and Portable- Working Time: 2.5 ~ 3 hours (varies depending on fan speed) - Weight: 270g in the box, 1 mini fan, 1 USB cable, 1 manual Warning: Not for children under 8 years old. Adult supervision required. Our products must be rigorously tested, examined and packaged before sending off. You can shop with confidence in our store. If you have any questions, please feel free to contact us. We will provide you with the best service. Thank you, happy shopping! Mobile Air Conditioner Humidifier Evaporator Air Purifier Air Freshener Cold Muffler Energy Saving for Home