17cm led backpack with programmable screen

{"cid":"91209997","title":"Bluetooth LED Backpack With Programmable Screen Lightweight LED Advertising Display Screen","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/23\/66\/3fc3584be625b4af049921e2df1e-200x200-1.jpg","attrs":{"Price":"1 - 99 pieces $34.50 100 - 499 pieces $32.20","Brand Name":"Ledmanner","Model Number":"LM-K1","Minimum Order Quantity":"1pcs","Delivery Time":"10days","Certification":"CE\uff0cFCC\uff0cROHS","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"100pcs\/week","Packaging Details":"carton case","Backpack Size":"34*20*12CM","Led size":"7CM*17CM","Carrying System":"Air","Net weight":"482g","Connection method":"Bluetooth by phone","SCREEN POINTS":"64* 64"}}

{"cid":"91202183","title":"24L Programmable Waterproof Led Backpack With Digital Display 64x64","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/37\/e8\/ed58a4a04d2356f9fb76846f792e-200x200-1.jpg","attrs":{"Price":"Arguable","Brand Name":"3U View","Model Number":"P3","Minimum Order Quantity":"1","Delivery Time":"3-25 working days after received your payment","Certification":"TS16949 CE FCC 3C","Place of Origin":"China","Payment Terms":"T\/T, L\/C, Western Union, MoneyGram","Supply Ability":"2000\/set\/month","Packaging Details":"Export Standard Plywood Carton","Name":"Backpack LED Display","Pixed Pitch":"3mm","LED Type":"SMD1921","Display Size":"250*250","Ave.Power\uff08\u2264W\/ set\uff09":"10w","Package Dimensions":"21.97 x 15.04 x 5.16 inches"}}