The ONE STAR OS-3500 is a versatile portable fan featuring a robust 4000mAh lithium battery that supports five adjustable speed modes to suit your cooling needs. With a working power of 4W, this device offers an impressive operation time ranging from 1.2 to 6 hours depending on the intensity selected. It is designed for convenient recharging via a DC 5V/2A input, reaching a full charge in just 2 to 3 hours. Equipped with an integrated LED indicator for easy status tracking, this compact fan provides reliable performance in a convenient, random color selection.
- Working Power: 4W
- Charging Input: DC 5V/2A
- Battery Capacity: 3.7V 4000mAh
- Fan Working Duration: 1.2H-6H
- Charging Time: 2-3H
- Random color*
