This CD may be listened to with normal headphones. It is not necessary to use external speakers on the body for this CD. However, if you move the speakers up and down on the body for the particular parts of the body it will be more effective.
This CD includes frequencies for the following:
– Vital Life Force
– Tissue Rapair
– Cell Regeneration
$30 – – You will be able to choose MP3 or WAV files (or both)