The pairing is within the app and doesn?t require an official Bluetooth pairing in the settings. I should have known, it doesnt work with my headset, or any OTHER headset I try - and yes, i have a few. I expected that here. To be safe, once it was up, a couple of wood screws strategically placed provide extra security I have used this 5 times within 3 days. So they refunded the money and against my better judgment , I bought the size 12s again. Es muy práctico, del tamaño correcto para mi y muy fácil de armar Not for bass lovers but delivers a well balanced sound for all music. The Polisher  was used for 3 days straight and preformed well during every hour of operation Construction is pretty sturdy, putting it together you can tell where the weak spots are that will fail eventually over time if its moved a lot.