The EVOs button functions are described as follows:
Power button: Press the power button to turn EVOs on or off.
Volume key: The volume key can be used to adjust the volume of EVOs.
Play\/Pause key: Press the play\/Pause key to start or stop music playback.
Previous\/Next key: The Previous\/Next key can be used to switch to the previous or next song.
Answer\/Hang up key: The answer\/hang up key can be used to answer or hang up a call.
Voice Assistant Key: The Voice Assistant key can trigger EVOs' voice assistant features, such as Siri or Google Assistant.
Emergency call key: The emergency call key can be used to trigger the emergency call function of EVOs to get help.
Breath light key: The breath light key is used to control the EVOs breath light effect, which can blink, flash, or turn off.
Other custom keys: According to different needs, EVOs can also use custom keys to perform other functions.