Works perfectly well on the limited occasions I have used it so far.
The ear piece mechanism is clumsy and difficult to fit on, plus it doesn't stay in place.
I hadn't realised that there is no microphone so these earphones cannot be used to make phone calls.
These are the best sounding earphones IV ever heard in my life. Glad I own a pair. Buy it you won't regret it. Amazing sound stage great adjustable bass.