New price low! Walmart has the Anker Soundcore Flare 2 Bluetooth Speaker (Black or Blue, A3165Z11) on sale for $29 with free shipping with Walmart (free 30-day trial), $6 shipping, or free shipping on $35+.
Can link over 100 Flare 2 speakers over Bluetooth to a single device. 12-hour playtime. Adjustable RGB lighting.