It depends on your usage. If you are looking at portability then it is always Bluetooth speakers. The WI fi speakers are fixed in one place. Further, Wi-Fi speakers need the Internet to function while these Bluetooth speakers are easily connected with smartphones. The ease of use is better in the case of Bluetooth speakers. If there is a slump in Wi-Fi audio source, then there is a connectivity mismatch and no music plays. Bluetooth is always reliable and formidable in its connection. Once paired shall not disconnect unless we manually do it.