Multi-functions: 7 in 1, desk lamp with a USB charging port, pencil holder, alarm clock, calendar, temperature, and LCD screen, it meets all your requirements. 
USB Port: Output 5V/2A USB charging port 
Colorful Light: Touch the spectrum ring to adjust 256 color changing base, create a variety of colorful atmosphere at the night by holding down the spectrum ring for 2 seconds, the color would cycle automatically, now you can color your night and life with this awesome lamp. Flicker-free and glare-free light source. 
Best Gift: Large capacity pencil holder, a dim-able reading lamp with 3-Levels of brightness(controlled by touch button), Compared to the ordinary Incandescent, LED desk lamp consumes 75% less energy while providing the same brightness. 
Gooseneck Design: Flexible adjustable neck can bend 45 degrees to 180 degrees, light up every corner of your world. 
Output Voltage: DC 12V/2A 
Maximum Power: 8W 
Color: White 
Material: high hard ABS shell and environmentally friendly silicone 
Lamp beads quantity: 26 
Color Temperature: 6000K 
Maximum Illumination: Greater than 500LUX 
Display Index: Greater than 80Ra 
Adapter Output: DC5V1A-2A 
Product Size: Length 115 X Width 113 X Height 540mm