Product Introduction:
1: Can be operated with usb plug.
2: Fully recharge the lamp with USB plug. It can last 10 hours long.
3: Special pencil vase, easy to study and work.
4: Bright light and no power consumption.
5: Power : 0.8-0.9W
6: Brightness : 2000-4000MCD
Performance Parameters:
Usb plug
N.W : 20.00 KG