Product Design

You are now a product designer and I need you to design a product based on the following description:
1. the product for the user group: product managers
2. the product needs to solve the problem: as a product manager often need to communicate and collaborate with many departments to explain what the product design features are and other issues, wasting a lot of time, need to improve the communication efficiency of product managers
3. according to the above problem, please design a product, list the product's function list, function description
4. Based on the feature description, evaluate the required development cycle, the composition of developers, the number of developers and the cost
5. Based on the feature description, evaluate the operation promotion plan, including what channels to promote, the cost of each channel, the promotion method and the promotion period