Part 1: MP4 conversion suggestion for Xiaomi Redmi K70 (on Windows)
Part 2: MP4 conversion suggestion for Xiaomi Redmi K70 (on macOS)

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To convert MP4 video files for Xiaomi Redmi K70 playback on Windows, do as below:

Download and install Video Converter on your Windows computer.

Step 1: Import your video files
Click “Add File” to load your video files that you want to convert into this program.

Step 2: Select output format for Xiaomi Redmi K70
Click “Profile” to select “Xiaomi” > “The corresponding Profile of your Xiaomi phone “ as output format. This format profile will ensure a good performance while playing with Xiaomi Redmi K70.

If you can’t find a suitable profile for Xiaomi Redmi K70, you can also select it directly, as shown in the following figure.

Tips:
If necessary, you can click “Settings” button to modify video and audio parameters like encoder, resolution, frame rate, bitrate, aspect ratio, sample rate, and audio channels.

Similarly, if you don’t find a suitable profile, you can also set it directly for the general profile, as shown in the figure below

Step 3: Click “Convert” to start.

As soon as the conversion is complete, click “Open Folder” to get the generated MP4 files that are suitable for playing on your Xiaomi Redmi K70. No audio lost issues will occur any more.

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To convert MP4 video files for Xiaomi Redmi K70 playback on Mac, do as below:

Download and install Video Converter on your Mac computer.

Step 1: Import your video files
Click “Add File” to load your video files that you want to convert into this program.

Step 2: Select output format for Xiaomi Redmi K70
Click “Profile” to select “Xiaomi” > “The corresponding Profile of your Xiaomi phone “ as output format. This format profile will ensure a good performance while playing with Xiaomi Redmi K70.

If you can’t find a suitable profile for Xiaomi Redmi K70, you can also select it directly, as shown in the following figure.

Tips:
If necessary, you can click “Settings” button to modify video and audio parameters like encoder, resolution, frame rate, bitrate, aspect ratio, sample rate, and audio channels.

Similarly, if you don’t find a suitable profile, you can also set it directly for the general profile, as shown in the figure below

Step 3: Click “Convert” to start.

As soon as the conversion is complete, click “Open Folder” to get the generated MP4 files that are suitable for playing on your Xiaomi Redmi K70. No audio lost issues will occur again.