I bought this to replace the standard radio in my 2008 Mitsubishi Colt as it had no facility to connect my phone. Installation was easy enough, but bear in mind that if you are replacing a factory-fitted stereo you will probably need a wiring harness to adapt the connector in your car. I like the clutter-free front face, thanks to the menu-driven interface and the fact that all the connectors plug into the back of the unit. It comes with a USB extension lead so you can route the connection to wherever is convenient, and the hands-free microphone has plenty of cable to trail around the dash and clip onto the sun-visor. The only other thing you may need to buy is an extension cable for the AUX input. This is also located on the back of the unit, but no cable is supplied. Not a problem really as cables are incredibly cheap.I managed to pair the unit with my iPhone using Bluetooth very easily, and it automatically connects every time I get in the car, meaning I never even need to take my phone out of my pocket. The microphone is good enough that I can use SIRI commands with my phone with no misunderstandings, and makes music selection a breeze when selecting tracks using iTunes. The menu system allows you to select artists, playlists or songs directly from the screen. Spotify users will need to select songs or playlists directly on their phone as the menu won't give direct control, but you can still skip tracks and shuttle through a song.Making calls is very easy, and I've been told that I come through clearly on the phone even when driving at speed on the motorway, so background noise doesn't seem to be an issue for the microphone. The head unit syncs with my iPhone's contacts, so I can select a stored contact from the screen on the head unit. It even flashes with pretty colours when I get an incoming call.The screen is very easy to read, and I love being able to customise the colours for the keys and display. Operating the menus is a little bit distracting for me right now, but once I get used to it I expect it will get easier, and that's what voice control is for anyway, isn't it?As for sound quality, I love this thing! OK, I'm 40-something now and I've never been a connoisseur when it comes to high-fidelity sound systems, but I can tell you that it sounds a lot better than the radio Mitsubishi fitted. The car is about the only place I can listen to my music nice and loud, and I've been blasting out ACDC and Foo Fighters tracks every time I go out and I'm loving it. I'm playing it through the standard speakers right now, but now that I've started making improvements I'm tempted to look at upgrading the speakers too.I haven't tried the AUX input yet, nor have I tried connecting a USB flash drive, so can't comment on how well they will work, though I'd expect them to be just as good as the Bluetooth I've been using. One other thing I haven't played with yet is the Mixtrax function, but I'll get around to it once I've bothered to read the manual. (Bear in mind that the operating manual for this head unit comes on a CD to read on a computer. There is no printed manual in the box.)I originally looked at cheaper stereos, but now that I've got it I'm extremely happy with it. The simplicity of the front face makes a nice change from the trend of covering everything with buttons you don't need, the sound is fantastic, and it connects easily to everything I want it to. You could probably get more by spending more, but at this price point I couldn't be happier.