Feature: 1. Safe: This hydrogen water machine is made of glass, offering transparency, safety, and healthiness. It adopts special materials for long service life and high hydrogen concentration. The 420ml large capacity meets the needs of the entire family. 2. Advanced Technology: Effectively extracts water with high levels of hydrogen oxygen, enhancing water quality activity and richness. Sustained production of high concentration hydrogen water, ensuring long lasting drinking effects. 3. Benefits: Drinking hydrogen water every day can reduce oxidative stress in the body, thus delaying aging, strengthening the immune system, and boosting metabolism and nutrient absorption. Water is one of the most important foods for the human body, and adding hydrogen to water can enhance its antioxidant properties, which means that it helps improve the ability to increase energy, promotes muscle recovery after exercise, and also improves memory and sleep quality. 4. Rapid Improvement Of Water: Immerse yourself in the future of hydration with our hydrogen rich water machine, ensuring that every sip is infused with the goodness of molecular hydrogen. 5. The Perfect Health Gift: Our hydrogen water bottle is easy to use in various settings. Ideal for the office, work, or workouts, it makes a perfect health gift to family and friends on occasion like Birthday, Thanksgiving, Christmas, New Year, and Anniversaries. Specification: Item Type: Hydrogen Water Bottle Material: Glass Weight: Approx. 678g / 23.9oz Capacity: 420ml Battery Type: Lithium Battery (Shipped with) Battery Model: 103080 Battery Capacity: 1200mah Product Size: Approx. 20.5x7cm / 8.1x2.8in. Package List: 1 x Hydrogen Water Bottle 1 x English Instruction Manual 1 x USB Cable