Some services, like the Object Push Profile, elect not to explicitly need authentication or encryption so that pairing does not interfere with the user practical experience involved with the service use-cases. The company considers this the “perfected�?take on the cylindrical, 360-diploma speaker design that it pioneered with previously Booms. https://www.bluetoothspeaker.top/bluetooth-speaker-cool-light-mode-karaoke-machine-with-two-microphones/