Rechargeable folder notebook, you can take it with you when you go out.Multifunctional, equipped with pen slot, business card slot, small net pocket, mobile phone tablet holder, etc. Everything is available.PU leather, exquisite craftsmanship, suitable for various occasions, and practical briefcase folders.Weight]:1.4 KGApplicable scenarios]: Business meetings, resume interviews, outings, offices, etc.Specification：- [Material]: PU leather- [Color]: Dark Gray- [Battery Capacity]: 8000mAh- [Battery type]: Lithium polymer- [Output/Input]: 5V/2A- [Size]: 8.85*6.88*1.18 inch(different measuring tools, there may be errors)Package includes:1 * Business Notebook Folder1 * Notebook[Notice]:1. Due to different measuring ,the measuring errors within 3cm are inevitable, please be noted.2. Please allow a little color difference caused by a camera or computer monitor.Also because of the differences in language,the words to describe the color will not be entirely accurate.