$18
Does not include battery, start the fan with cable, plug and play, very convenient.
Product parameters:
Product model: FS09
Fan speed: around 5000 rpm
Chip specification: 23 * 23mm
Product power: 5V/2A
Packaging list: FS09 cooler +cable+packaging box
Product features:
1. Three stage refrigeration regulation
2. Rapid cooling
3. Silent and low-noise operation
4. RGB seven color ambient lighting
5. Large area of refrigeration