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Backpack sweatproof fan – for summer backpacker

In summer, traveller with backpack are soaked with seat. How to solve this problem. First, there should be a space between the backpack and our back. Then there should be a fan could blow the wind upwards. The wind power should be adjustable. Thus,  this backpack sweatproof fan appears. It looks a bit weird, but it is useful for backpacker in summer. USB power supply and 3 speed level.

Description

Backpack sweatproof fan

Summer travelling choice for backpacker

wind for back

3 speed setting switch

Wearable on waist 

Outdoor use

 

Wearable on backpack

Silicon pad, skin-friendly