1[Eye Catching LED Display] The LED display screen features lively, shimmering LED eyes, which will attract attention when you pass through crowds. 2[Versatile Format Support] This LED backpack eye screen supports a range of formats, including text, images, and GIF animations, offering a dynamic display experience. 3[Bluetooth Connectivity] Connect this LED eye display panel to your mobile phone through Bluetooth, freely edit contents on for SPOTLED APP, convenient and versatile. 4[DC12V Power Supply] The backpack LED screen can be connected to a DC12V power supply (not included) for use, connect red wire to positive pole and black wire to negative pole. 5[Wide Application] Featuring a 1m long DC12V cable, the LED matrix panel can be installed on backpacks, shirts, vests, cars or motorcycles to show your creativity. Item Type: LED Backpack Eye Display Material: PCB Application: for SPOTLED APP (Download on for APP Store) APP Supported System: for Android, for IOS Operating Voltage: DC12V Communication Method: Bluetooth Left Right Eye Screen Resolution: 60x96 Left Right Eye Screen Side length: Approx. 7.5cm / 2.95in, 11cm / 4.33in, 5cm / 1.97in, 13.5cm / 5.31in Cable Length: Approx. 1m/3.28ft 1 x LED Backpack Eye Display Have a great time shopping!