how to add bluetooth to a speaker

Here are the Primary parts used in this video:
► Rechargeable Bluetooth receiver: https://amzn.to/3QjReNQ (Amazon)
► Multifunctional Bluetooth receiver: https://amzn.to/3S3gppa (Amazon)

Background Music song#1:
► Track: DEAF KEV - Invincible [NCS Release]
► Music provided by: @NoCopyrightSounds
► Watch: https://www.youtube.com/watch?v=J2X5mJ3HDYE

Background Music song#2:
► Track: Different Heaven - Nekozilla [NCS Release]
► Music provided by: @NoCopyrightSounds
► Watch: https://www.youtube.com/watch?v=6FNHe3kf8_s