In this programme, pure Beta window frequencies bring you to a high-powered, high-performance brain state ideal for quick thinking and deep concentration. Boost your ability to focus mentally and concentrate for extended periods of time. The programme's subtle, non-distracting sounds make it ideal for use while you work, study or write.
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Vendeur : HPB-Diamond, Dallas, TX, Etats-Unis
audioCD. Etat : Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! N° de réf. du vendeur S_479640714
Quantité disponible : 1 disponible(s)
Vendeur : clickgoodwillbooks, Indianapolis, IN, Etats-Unis
Etat : acceptable. Used - Acceptable: All pages and the cover are intact, but shrink wrap, dust covers, or boxed set case may be missing. Pages may include limited notes, highlighting, or minor water damage but the text is readable. Item may be missing bundled media. N° de réf. du vendeur 3O6QYV0030TW_ns
Quantité disponible : 1 disponible(s)