Features: Multi-function pen holder, it can be used as a desk lamp or as a power bank to charge the mobile phone, it can also be used as a mobile phone stand to watch videos without hands. Suitable for school, office, home use. The pen holder can store your pens, pencils, scissor, ruler and other office small accessories. It help you to organize your desk, spend less time looking for your office accessories. Eye protection ring light design, no ghosting, no flicker, no eye damage. 4200K-4600K natural color temperature, more close to natural light. Touch-sensor switch design, support 3-level dimmable brightness, easy to use. The lamp neck can be bent into various direction freely, you can easily get the most comfortable angle, it also creates a perfect private space for you reading at night. Built-in rechargeable 4000mAh battery, comes with a charging cable, easy to access to any USB port like computer, laptop, mobile charger, power bank, etc, very convenient to use. It has power bank function, which can charge your mobile phone.