Improve Public Speaking (Subliminal NLP).This audio system allows you to improve your public speaking skills by using affirmations, calming music, and binaural beats for a trifecta of improvement.
提高你的演讲 (潜意识援助计划). 这套视频系让你通过决定,安静的音乐以及立体声使得你的演讲技巧三级跳。