BLUETOOTH SPEAKER CIRCUIT BOARD NO FURTHER A MYSTERY

The Ultimate Ears Wonderboom 4 is certainly the best cheap Bluetooth speaker on this list, combining good sound with an ultraportable design and successful 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 or dual mono.A person draw back is that the volume can