The Ultimate Ears Wonderboom four is without doubt the best cheap Bluetooth speaker on this list, combining good sound with an ultraportable design and productive 360-degree audio. It really is just a straight-up Bluetooth speaker (so no Wi-Fi) but you can pair two of them together either in stereo https://www.bluetoothspeaker.top/audio-system-sound-big-bass-music-party-speaker-active-boom-hifi-wireless-bluetooth-speaker/