4 wheels with brake usb charging cart

{"cid":"91203148","title":"USB Ports 54 USB Charging Cart Tablets Used Charging Trolley","imgUrl":"https:\/\/img.chinax.com\/nimg\/d6\/54\/43721f444293001d0b68ba736ea0-200x200-1.jpg","attrs":{"Price":"USD550-700\/set","Brand Name":"Anheli","Model Number":"AHL-E54","Minimum Order Quantity":"1 set","Delivery Time":"3-5 days for sample","Certification":"CE, FCC, RoHS, CCC","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"1000 sets\/month","Packaging Details":"Standard exporting plywood cases for sample","Item":"54 USB charging cart","Material":"Galvanized sheet","Charging type":"USB","Charging ports":"54","Security system":"8S security protection system","Cooling system":"Cooling fans and ventilation holes","Safety system":"Locks and keys","Dividers":"ABS engineering plastic"}}