LED Knight Backpack Waterproof Hard Shell Travel Bag

Name: LED Backpack Color: Black Backpack material: ABS, PC, 1680PVC Screen points: Two screens, each 48 x 48 Screen point spacing: P2 Communication method: Bluetooth-compatible Backpack size: 32.7 x 18 x 42cm Weight: 1.5kg Packing list: 1 x LED Backpack 1 x Instruction manual Note: Different displays may cause the color of the item in the picture a little different from the real thing. Manual measuring,please allow 1~3mm error,thank you.