which can slow down wrinkles, improve the stomach, promote metabolism, and strengthen immunity. 1.5L of oxygen-rich water per day is equivalent to the antioxidant value supplied by hundreds of fruits and vegetables. Make you healthier, suitable for any crowd.Product name: Hydrogen-rich cup (hydrogen cup)Capacity: 420mlCup body size: 70*70*221mmNumber of electrolysis: 15-20 timesSuitable water temperature: 0-100℃Charging time: 3-4 hoursHydrogen concentration: 1200-1500PPBOperation mode: 3 minutes modeColor:BlackPackage includes: 1*hydrogen-rich water bottleNote:1. The picture is taken in kind, there may be slight color difference between the picture and the real object, which is inevitable. These issues are not quality issues.2. Due to different measurement methods and products, the actual size may vary, please forgive me!3.Please avoid contacting the USB interface with water when cleaning, otherwise it may cause damage.4.Please drink the hydrogen-rich water after electrolysis as soon as possible to avoid too long standing time, resulting in hydrogen volatilization.