1. Powerful: In addition to the basic Internet access function, Li Yuming Electronic Flow Card also has other functions, such as voice calling, SMS sending and receiving, etc. These functions can meet the diverse needs of users and enhance the experience.

2. High security: Li Yuming Electronic Flow Card uses encryption technology to protect user data security and prevent personal information from being stolen or abused. At the same time, Li Yuming Electronic Flow Card also provides a variety of security mechanisms to ensure the safety of users.