Use the steps below to attach the sound module.
- When attaching the sound module, be careful not to apply too much force on the rubber rings and injure yourself.
- Attach a rubber ring to each of the four corners of the sound module (four places).
Gently pull the rubber ring to fit it into the groove.
- Loop the rubber rings over the hooks of the rods opposite to the protrusions on the pads (four places).
See also the related video.