Material: stainless steel, built-in 1000mAh, Product size: 21 * 7cm, Shipping list: hydrogen-rich water cup (one machine and dual-purpose mineral water bottle), manual, charging cable, certificate of conformity Quickly improve water quality: hydrogen water bottle, electrolysis time is short, parameters are more stable ( need to pay attention to pour in mineral water, pure water can not be electrolyzed). Effectively solve the problem of residual hydrogen and residual oxygen after electrolysis, making drinking water safer and healthier. Hydrogen Water - a healthier lifeThe hydrogen water bottle can be pressure-proof,anti-fatigue,enhanced immunity, improve memory,Facial Care, improve sleep and water quality. The water bottle contains bio minerals which react positively with water to create hydrogen rich. So the water you drink will be more refreshing and clear. Easy & SafeHydrogen water machine One-button quick operation, rechargeable,saving more money than Hydrogen Infused Water pack or h2 water. Made of Food grade borosilicate glass and Food grade rubber, without any harmful chemical subsances.This ionized water bottle can be used about 20 times for one charging,easy and convenient for office,travel,work. Simple & fashion designH2-rich cup with cup cover buckle design, better sealing, easy operation; its base with EVE pad,stable and non-slip.