Thank you for viewing. This is the I・TEC Sutte Portable Hydrogen Inhaler. I purchased this and have kept it in storage without ever using it. The back of the case in the fourth photo is as shown. ＜Product Description＞ A portable, compact hydrogen inhaler that allows you to easily and effectively absorb hydrogen into your body. You can use it anytime, such as when you wake up in the morning or during work breaks, so you can use it according to your lifestyle. The main feature is its high hydrogen generation capacity despite being lightweight, small, and compact. (Patent No. 5796150 Sutte) ＜Recommended for those who are concerned about＞ ★ I bought a machine to inhale hydrogen at home, but I want to inhale hydrogen when I'm out. ★ I want to inhale hydrogen anytime. ★ I want to reduce stress at work. ★ I want to quit smoking, but I can't. ★ I want to prevent aging and maintain my health. ★ How to use: Lightly hold the tip of the hydrogen cartridge in your mouth and inhale slowly for about 1 second (1 inhalation). Inhale this 10 times, for about 2-3 minutes. This is one set, and inhale about 3 sets a day, at your preferred time. ●Main unit●10 dedicated hydrogen cartridges ●Portable case●AC power adapter●1 dedicated vitamin cartridge●1 bottle of 15ml hydrogen generation accelerator (for dedicated hydrogen cartridges)●USB charging cord●Instruction manual (with warranty)