Plug the USB into a computer or any charging port, lights up and provides a festive glow when plugged in as it charges your phone. You'll be excited all year.Specifications:1.Light bulb material: ABS 2.LED Qty: 10 pcs3.Light color: Blue White Yellow Red Green 4. Total Length: 50inch 5. Space between LEDs: 4.2 inch 6.Cannot transmit data,only charge function7.Keep out of reach of children8. If you have any problem with this item, please contact us directly, and we'll provide helpPackage list: 2x usb charging cable