Silvercrest SBL TW3 A1 Operation And Safety Notes page 69

Button
NOTE: When you change the volume on
the product the volume on the playback device
will also so change . This volume synchronisation
function depends on the operating system and
the brand of your playback device .
70 GB/IE
Function
‒ Press briefly during playback
to decrease the volume, one
beep will sound when the
minimum volume has been
reached .
‒ Press and hold during
playback to skip backwards
to the previous song in the
playlist .