Outdoor riding solar charging backpack men and women lightweight skin sports backpack

Color blue, red,

Material: Nylon

Product parameters: 

 -6.5W solar riding backpack 

- Optional colors: blue and red 

- Bag capacity: 10L - Backpack size: 40*25*10cm

 - Solar panel: 6.5W, 6V, 

- Solar panel efficiency: 22% conversion efficiency 

Accessories 1 USB charging cable, one water bag