The Vamp - Transform any speaker into a portable Bluetooth® speaker
Julius - Turn your Mac into a Bluetooth speaker
PHOTIVE SPHERE - Affordable bluetooth speaker with built-in stand
AirBuddy - Bring the same AirPods experience from iOS to Mac
Sonos One - A self-contained, Alexa-connected speaker from Sonos
ToothFairy - Connect accessories to your Mac with a single click