The second number is your upload speed. Once you know the upload speed, you can complete other settings.
SETTINGS AND REQUIREMENTS
Depending on your upload speed, you can try different video qualities. If there is a freeze during the live broadcast, please try to lower the setting.
Video Quality
Upload Speed Requirements(Mbps)
Recommended Broadcast Bitrate Setting
1080p 60fps
Best Quality, fast paced games (i.e. Battle Royale, Shooters)