Come and see our amazing products. USB Charging - For Various Occasion Uses.This Mini USB fan is powered by USB and compatible with PC/laptop, power bank, AC adapter, car charger and other USB-enabled power supply.USB fan is energy-saving and Energy-saving. The rubber bottom base ensures more stability and no vibration. Keep the fan stay firmly on the desk. Pls confirm further with us if any query about packing info, inventory status and time schedule.