KIMISS LED Knight Backpack, Universal LED Display
KIMISS LED Knight Backpack, Universal LED Display Backpack with APP Control Waterproof Adjustable Shoulder Strap USB 5V Travel Bag Full Color Screen, Black Check Offer Price Spec:Item Type: LED Display BackpackMaterial: ABS, MetalControl Mode: Cell phone APPPower Supply Mode: Power supply by charging bank (not included)Power Supply Interface: USB 5VScreen Count: 48×48Screen Point Spacing: P2Application: Universal packing list:1 xBackpack1 x...