Mini 5W Portable USB Power Supply 5V LED CampLight Bulb Emergency Lamp SMD 5730 250LM With USB Cable Warm White Light Lamp Bulb-Black Power:5W Low temperature & low power consumption Colorful bulb cup, great decoration for party, room, shopwindow etc With USB cable, you can use laptop, power bank, phone charger to supply power The hook design, easy to hang it up