1. Voltage input: DC 5V/2A2. Battery capacity: 3000mAh/4000mAh/5000mAh3. Material: ABS, PC4. Charging port: Type-C5. Rated power: 2.5W6. Packing list: fan x1, charging cable x1, lanyard x1, manual x1, aromatherapy tablet x17. Size: about 18.8x9x4.65cm, base about 6.4x1.6cm8. Weight: about 190gFeatures:1. LED intelligent digital display screen, the power and wind speed can be seen, easy to use2. 5-speed wind adjustable, low noise operation3. All-copper DC motor, effectively reducing the friction noise of carbon brushes, high speed, low power consumption, and stable operation4. 90 degree air outlet angle adjustment5. Spiral fan blades, high pressure6. Can be hand-held, can be installed with a lanyard, or can be placed on a desktop for use7. Can be used as a mobile phone stand8. The mesh cover is detachable for easy cleaning9. Delicate and compact, easy to carry