Fluorescent Reflective Worker cooling vest ( With Fan )

Material: Polybrew
Size: S-3XL
Equipment: 3 ice packs, charger and power cord
Operating time: 6-8 hours
Cooling system: double fan
Weight: 700 grams (excluding ice packs)
Material: windbreaker material/breathable fabric
Power input: 3.2V – 7.4V (4400mAh rechargeable lithium battery)
Wind speed: 4 sp