Where is the mutual transmission function of vivox9?

How to use mutual transfer:

1. Find the mutual transfer software on the desktop, click to enter, select I want to send, and there will be a message waiting for the other party to join at the bottom;

2. Another mobile phone also enters the mutual transmission, click I want to receive;

3. After searching for the device, click on the device to connect. After the connection is successful, the data can be transferred.

Note: If there is no mutual transfer software on the mobile phone desktop, you can enter the app store to download and install it.