The entrainment rhythm of 10 hertz is associated with the release of serotonin and can elevate mood. It has been said to act as an analgesic, making it good for hangover and jet lag. Some have claimed it is also useful for helping with nicotine withdrawal, thus it is sometimes used to help stop smoking. It can promote clarity and has been claimed to help resync the circadian rhythm. It can increase alertness and a sense of well being while helping to manage and potentially decrease pain. Some have reported improved memory, and it has been used to treat ADD/ADHD and headaches. Uses monaural rhythms, and does not require headphones. Contains instructions and one hour of audio in MP3 format. Instant download.