This is a multi-functional spiral-coil business notebook, integrating a solar-powered calculator, multi-colored sticky notes, a side card slot, and a pen holder-all in a standard A5 portable size. The cover is available in durable kraft paper or soft PU, with metal double-coil binding. The inner pages use thick, opaque writing paper. The calculator is powered by natural sunlight and solar energy, eliminating the need for battery replacements. It features a clear LCD digital display and silent touch buttons. Multiple side card slots can store business cards and ID cards, and a separate pen holder holds a writing pen. Tearable colored sticky notes are included for marking and memos.

This is an A5-sized, multi-functional rechargeable notebook with a built-in 8000mAh high-capacity lithium battery, combining the functions of a notebook and a power bank. The outer shell is made of durable PU faux leather with a metal magnetic clasp closure. The cover features a slanted card slot, a separate pen slot, and an elastic bookmark cord. The ring-bound structure allows for easy removal and replacement of the inner pages. A built-in output interface provides emergency power for mobile phones, Bluetooth headsets, and other digital devices when out and about. Suitable for: business meeting minutes, daily work of company employees, student class notes, business travel, outdoor photography, exhibition and event recording, and training and learning records.