
1. Charging input: DC5V 2. Battery specifications: 18650-3.7V / 2000mAH 3. Charging time (constant current charging): about 3-4 hours. 4. Output power (MAX): 3W 5. Working hours: low-level work for about 5 hours, mid-range work for about 3.5 hours, and high-end work for about 2 hours (three-speed regulation). 6. Output voltage: low 0.5V / 180MA, medium 7V / 250MA, high-quality 9V / 320MA 7. Working current (MAX): 3.7V / 0.8A 8. Line with overcharge, overcurrent and overdischarge protection. Color: White Material: ABS Size: 22 x 9.3 x 4 cm Package Contents: 1 * USB Hand Fan (Built-in Battery) 2 * Aromatherapy 1 * Fan Base 1 * USB Charger Cable 1 * Hanging Wrist Strap 1 * English User Manual Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.