The Vamp - Transform any speaker into a portable Bluetooth® speaker
Sonos Roam - A portable, waterproof speaker from Sonos
PHOTIVE SPHERE - Affordable bluetooth speaker with built-in stand
Amazon Tap - Amazon Tap is a portable Bluetooth and Wi-Fi speaker. Just tap the microphone button and ask for music, hear news, search for information, order a pizza, and more with the Alexa Voice Service.
Sonos One - A self-contained, Alexa-connected speaker from Sonos
Sonos - Play music from Spotify straight to Sonos