All the features have already been said in other opinions

UTILIZATION

Touch keyboard is nice despite its lightweight plastic when you press hard on it

The manual is clear and sufficiently

The General Setup is super simple! No need to go through the menus etc. .. to change the program and another preset

OVERALL OPINION

I use it for a month, and I'm thrilled!
I leaned Oxygen 49 for its price and for the presence of knobs and other controllers
What I like most and least?? I have only this to say "I love"
The value for money is super compared to some keyboards masters
With experience, I would do this choice!