I have been using this for over a month now, it is the first metronome I ever used, so in my experience, it's quite noob friendly. It took me a bit of time to figure out the metronome, but you get instructions with the product so just make sure and read them (unlike me).
What I like the most about it is that I can connect my bass to the tuner when tuning. I don't use the microphone on it, but for those who prefer to use that, you can. There is no particular reason why I prefer to connect the bass to the tuner when I tune it, I just assume it's more reliable and accurate that way.
Over all a fantastic product! It offers a lot of functionality for the price it's being sold for. I really can't think of anything I didn't like about it. I am very happy with this tuner :)