Black Bluetooth Speaker Backpack Comfortable Mountain Back pack QC-04

Black Bluetooth Speaker Backpack Comfortable Mountain Back pack QC-04 Item No. Shanfu QC-04 Style Speaker Backpack Usage cycling& running& travel & hiking & camping Size 32*22*45cm(12.60*8.66*17.72 inch) Details 1, One Large main compartment. 2, One zipper front pocket 3, Nylon material and nice stitch to maximized weight burden. 4, Soft and breathable strap 5, One big removable speaker with three loudspeaker Customized Size, Material, Logo, and design are all accepted