Bluetooth Loudspeaker - Apps on Google Play

Connect your phone with bluetooth speaker, works as remote speaker or megaphone.

Denkou Bluetooth - Apps on Google Play

Best Buy: Insignia™ Voice™ Smart Bluetooth Speaker and Alarm Clock with Google Assistant Black NS-CSPGASP-B

Voice++ - Apps on Google Play

Mi Portable Bluetooth Speaker (16W) supports all Android, iOS, Mac OS and Windows based devices

The Google Nest feature I use almost daily: Turn it into a Bluetooth speaker - CNET

Bluetooth Loudspeaker - Apps on Google Play

EQ app for Bluetooth speakers

How to Connect Multiple Bluetooth Speakers and Headphones to One Phone

Lithe Audio Bluetooth Ceiling Speaker App walkthrough

Mic Live Microphone : Bluetooth Mic Speaker APK for Android - Download