@Mariano_Colmenarejo Ikea has couple different remotes:
1 button - TRADFRI Shortcut button
SHORTCUT BUTTON FUNCTIONS
Single press. Activates the scene you link to this button through the IKEA Home smart app.
2 button - TRADFRI Wireless dimmer
ON - Dim UP
Press to turn your IKEA Home smart product on.
Press and hold to dim up.
OFF - Dim DOWN
Press to turn your IKEA Home smart product off.
Press and hold to dim down.
4 button - STYRBAR Remote Control
Short press to turn on.
To dim up, press and hold the button.
Short press to turn off.
To dim down, press and hold the button.
Change white spectrum or colours
5 button - TRADFRI Remote control
REMOTE CONTROL FUNCTIONS
ON/OFF: Press to turn your light source on and off. Press and hold for at least 3 seconds to synchronize your lights.
Dim up/down: Short presses will dim up/down in steps.
To dim up/down seamlessly, press and hold the button.
Change white spectrum, colours or scenes.
SYMFONISK Sound Remote
SOUND REMOTE FUNCTIONS
Press once to start or stop the music
Press twice to skip to the next track
Press three times to jump back one song.
Rotating the top right (clockwise) will increase volume up to max.
Rotating the top left (counter-clockwise) will decrease volume to the lowest level, but NOT turn the music off.
They all have one thing in common, Battery drain
I’ll try to list all stock functions for each device