I think the actual device is a quality item, it holds the phone really well, there is no shake etc.
But it is flawed in a major way in my opinion, and that of several others on a well known phone forum…
There is audio interference on the AUX socket on the cradle, and from the headphone socket on the phone when you have the cradle powered and charging.
The phones headphone socket is less obvious as it is significantly quieter (due to EU regulations) than the AUX socket on the cradle.
Either way it has a very annoying and constant whine which changes pitch relating to engine speed.
The unit I have is not an isolated issue, as there are other people who have the same issue. I believe it is an inherent fault with the actual device.
That said, I can’t imagine a cheaper model would be any better in terms of this noise!
But I could not stand listening to Sat Nav instructions with all the "whine" in the background, especially in the gaps between instructions!
Oh and incase you are thinking, he’s a moaning old git… here’s someone else on Amazon with the same opinion!
“ Dissapointing, 28 July 2011
This review is from: Samsung Vehicle Dock Kit for Galaxy S II (Electronics)
For the price, this does not do well enough. Yes it fits well, and holds the phone, with an integrated dock connector. However:
It is a push-fit corner grabbing design, and I find it almost impossible to release the phone with one hand.
The windscreen suction mount is feeble, so maybe 20% of the time rather than removing the phone, I end up with the whole thing coming un-stuck.
Dock mode on this phone is almost useless, so plan on replacing it if you think it is a good feature.
The audio-out functions, but there is a very poor electrical design – even if the charger is not plugged in, the signal picks up a constant high pitched whine (even with the car engine off)
Buy a cheaper one, and you’ll feel less hard done by. “