Useless return policy and communication

We ordered two bluetooth communication devices for motorcycle use. Upon arrival one had a few problems and we immediately asked them to ADVISE us on refund/return policy. They decided themselves that they will replace the item never asking if this is what we wanted. We returned both items as we found issues with the other unit as well. Needless to say it's been four weeks of back and forth relatedly telling them we want our refund they have sent us replacements 5 times now completely ignoring our very clear request of refund!!! We now get an email saying only one will be refunded and the other replaced Wich is once again not what we asked for. Stupid people you are dealing with have zero brain cells or cannot read clearly. Will never use them again ever