Recreational Simulation CDs and MP3 are collections of binaural doses on standard audio CDs or MP3s. Each audio track contains our advanced binaural beats that will synchronize your brainwaves to the same state as the recreational dose. Mixed with our advanced auditory pulses are soothing backtracks of ambient soundscapes to help the brain induce of state of mood lift, euphoria, sedation, and hallucination. I-Doser CDs and MP3s are also perfect for using with iPods, other MP3 players, or through a regular CD player.