I use a layen i-sync as a bluetooth reciever for my Bose docking station. This has worked brilliant for the last 2 years. Now it has suddenly stopped. My phone says it is connected but there is no sound. I have unpaired the devices, cleared the caches etc but to no avail.
I have had similar, mine is connected but plays like a bad connection, juddering and broken. I have message customer support as it has been since the last update. Fingers crossed
