They were very helpful, walking me through different steps to diagnose the problem and reset the headphones, but in the end they determined that the headphones I received were defective. Please click yes if my review helped you to make a decision about these knives. The sandals are nice but they are a full size too small. - Balances well on the A7RII. It is a palaver to return them so it rather puts me off. Glad I purchased it, seems very durable. Just what I needed Per il suo funzionamento richiede un fissaggio a parete o una sbarra su cui posizionare il gancio superiore . Knowing that, I sure wouldnt put a hot pot on them. But I was worried for nothing.