1. USB output, support for mobile phone charging, USB small fan, etc. 2. With the phone holder function. 3. 360-degree bendable metal hose, portable and easy to carry, simple and generous. 4. Large capacity pen holder design. 5. High-quality LED energy-saving lamp beads, eye protection and radiation protection. 6. Smart touch switch for easier use. 7. Built-in lithium battery design, can be recharged, long standby time, long service life.