Material: ABS Voltage: USB 5V+ Size: 1M USB cable 1. USB interface design, easy to use, can be connected with mobile phones, computers and other devices, light bulbs anytime and anywhere. 2. Low voltage 5V output, safety and energy saving, energy saving and environmental protection, long-term use without burden. 3. High brightness LED lamp beads, 3W, 5W, 7W a variety of power options, light effect bright and soft. 4. One meter USB cable length, the lamp can be suspended or placed in any position that needs light, more flexible and convenient use. 5. Multi-functional light bulb, suitable for outdoor camping, travel, night reading and other occasions, is a practical portable LED light equipment. The package includes: 1pcs USB lamp