Morries MSF77 High Speed Portable Fan

Specification:

1. Speed: Up to 19500 RPM
2. Battery: 4000mAh (3.7V), charges in 4.7 hours
3. Usage Time: 3.8–12 ho
4. Lightweight design fits easily in your bag or pocket
5. Compact & Portable
6. Wind Modes: 3 adjustable speeds
7. Included: USB cable ×1
8. Dimensions: 7.8cm X 4cm X 14cm