Overview: 1. Multifunctional, not only for notebooks but also for external batteries. 2. Combine wireless charging and wired charging. 3. Built-in 8000mAh battery can be used as an external battery. 4.3 kinds of charging ports, suitable for most mobile phones. 5. Notebook design, easy to carry. 6. A good gift for businessmen. Product information: Design format: A4 Size: 32.5/25.5/3.0cm Material: Color-changing PU Battery capacity: 5000mAh Battery type: lithium polymer Weight: 500g Color: black navy red Output: 5V2A Input: 5V1A Packing list: Business notebook*1