Brain On DB-1000A Price: ¥396,000 (excluding tax) Operation confirmed. ・Easy to use. Simply listen to the inaudible high-frequency sound from the earphones, which induces alpha waves in the brain, optimizing brainwave and autonomic nervous system adjustment capabilities. It's a pocket-sized, compact, and lightweight type. ・The contents include everything shown in the photos (main unit, strap, charging adapter, charging cable, earphones). ・Includes a copy of the instruction manual. ※(Important) The earphones are also genuine. It seems the effect is not as good if the earphones are not genuine. ※The new Brain On model costs ¥520,000. 　For those considering purchasing, it might be a good idea to 　actually use this affordable older model to 　confirm the effects. Recommended for those with insomnia, stress, or depression, and for those who want to improve concentration and memory through brainwave induction.