The Ultimate Ears Wonderboom 4 is without doubt the best cheap Bluetooth speaker on this list, combining good sound with an ultraportable design and helpful 360-diploma audio. It really is just a straight-up Bluetooth speaker (so no Wi-Fi) but you can pair two of these together possibly in stereo https://www.bluetoothspeaker.top/big-power-wireless-speakers-bass-sound-bluetooth-speaker-with-tf-card-aux/