Bluetooth speakers and Wi-Fi have many differences. Bluetooth speakers can be used to connect to Bluetooth-enabled devices. They don't require an internet connection. While in Bluetooth mode, however, the Bluetooth speaker can quickly drain its battery.Wi-Fi speakers produce better sound quality because they do not compress audio files like Bluetooth playback. However, the drawbacks are portability and cost. Wi-Fi speakers can be more costly. They also need to be plugged into an electrical power source. The best Bluetooth speaker for flexibility and travel is the one that can use batteries.