The Ultimate Ears Wonderboom 4 is without doubt the best cheap Bluetooth speaker on this list, combining good sound with an ultraportable design and productive 360-degree audio. It can be just a straight-up Bluetooth speaker (so no Wi-Fi) however, you can pair two of these together either in stereo https://www.bluetoothspeaker.top/bt-wireless-speaker-high-powered-sound-stereo-good-quality-loud-speaker/