Some services, such as the Object Force Profile, elect not to explicitly require authentication or encryption so that pairing does not interfere with the user knowledge linked with the service use-cases. Legacy pairing: This is the only system available in Bluetooth v2.0 and just before. Each individual device will https://www.bluetoothspeaker.top/loudest-portable-boombox-best-bluetooth-speaker-for-indoor-waterproof-wireless-speakers/