The Ultimate Ears Wonderboom four is certainly the best cheap Bluetooth speaker on this list, combining good sound with an ultraportable design and productive 360-diploma audio. It can be just a straight-up Bluetooth speaker (so no Wi-Fi) but you can pair two of them together both in stereo or https://www.bluetoothspeaker.top/outdoor-portable-supports-tf-usb-fm-aus-wireless-5-0-bluetooth-speaker/