Updated the structure of the guide to make it easier to navigate. Included more about how we test Bluetooth speakers into the introduction. Updated FAQs at the top to mirror our current options. Removed a discontinued product or service with the list. Playback controls: As you can control the https://www.bluetoothspeaker.top/hifi-sound-quality-support-hands-free-call-waterproof-wireless-bluetooth-speaker/