If you have used an RC Pro, it's the same functionality. Slightly better range, built in mic, bigger/brighter screen. RC Pro is 1000 nits, RC Plus is 1200 nits. It fits better in my hands as well.
I have one that I got last April. I use it with my Mavic 3 Classic and love it. There are some buttons that aren't functional, but every button you' would have on an RC Pro works on the RC Plus> You have to remember to shut off automatic updates...
Having had both the Phantom 4 Pro+ and the Mavic 3 Classic, I feel more secure flying the newer drone as it's more stable, the software is better and although the P4 took tremendous photos, I put the M Classic over it but not by much. I miss...