WARNING: All LEDs with visible light have a certain secondary risk
potential due to
their dazzling effect:
If possible, do not look directly into the LED radiation without eye
protection - and above all not for extended periods.
After looking into bright LED sources, temporary visual impairment an
The "USB/audio interface" supports the playback of audio files stored on mass
storage devices with USB
connections such as USB sticks, MP3 players etc.
USB is a serial bus system that allows fast and simple connection of terminal
devices to computer systems.
The mass storage medium can be found