how to make a speaker backpack

{"cid":"91208009","title":"Mini Outdoor Speaker 5W Portable Wireless Bluetooth Wireless Speakers OEM","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/fe\/45\/1768aad9f835155c4d1e3951fd27-200x200-1.jpg","attrs":{"Price":"USD 5.9-6.9 per piece","Brand Name":"OZZIE","Model Number":"OZ-C160","Minimum Order Quantity":"1000 pieces","Delivery Time":"30-40 work days","Certification":"CE FCC ROHS REACH","Place of Origin":"China","Payment Terms":"T\/T, Western Union , MoneyGram","Supply Ability":"130K Pieces per Month","Packaging Details":"Gift Box , Carton box , 40pcs\/ctn , ctn:56*41*25cm , 14kg\/ctn","Special feature":"Portable,Wireless,Mini,TWS","Use":"Computer , Audio Player , Mobile Phone","Color":"Orange , Black , Red , Blue , White","Bluetooth version":"V5.0","Material":"ABS Plastic","Function":"Bluetooth,TWS connection","Weight":"200g","Battery capacity":"3.7V 800mAh","Play time":"24 Hours at 50% Volume","Charging time":"2 to 3 hours"}}

{"cid":"91218777","title":"Portable FM Radio Speaker with Long Battery Life FM Frequency 88-108MHz Lightweight Design","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/94\/e2\/529d95b723ee5cf5b385d4a7df27-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"OJADE","Model Number":"OE-1302","Minimum Order Quantity":"3000pcs","Delivery Time":"Negotiation","Place of Origin":"China","Certification":"CE RoHS","Packaging Details":"Inner packing:Blister card Outer packing:Carton Carton size:71*48*27.5cm Quantity:200pcs\/ctn N.W.:15KG G.W.:16KG","Payment Terms":"T\/T","name":"FM Radio Built In Speaker","weight":"Ultralight","battery":"UM3*2 Battery","Product name":"OE-1302","frequency":"FM 88-108MHz","color":"OEM","power":"Dry Battery","type":"FM Auto Scan Radio"}}