The Ultimate Ears Wonderboom 4 is undoubtedly the best cheap Bluetooth speaker on this list, combining good sound with an ultraportable design and effective 360-degree audio. It is really just a straight-up Bluetooth speaker (so no Wi-Fi) however , you can pair two of them together both in stereo https://www.bluetoothspeaker.top/factory-wholesale-studio-wireless-bluetooth-speaker-waterproof-outdoor-speaker/