Features1High Efficiency: This hydrogen water generator uses advanced technology to rapidly generate up to 1600 PPB of hydrogen ions in a single cycle, turning ordinary drinking water into hydrogen ion rich alkaline water and reducing oxidative stress. 2Sturdy And Durable: This hydrogen water ionizer machine is made of quality stainless steel and high borosilicate glass material, which is transparent, safe and healthy. 3420ML Large Capacity: This hydrogen water machine generator features a large 420ML capacity, which can satisfy the needs of the whole family. 4Multifunctional: This hydrogen water machine is multifunctional and produces hydrogen water that reduces oxidative stress, slows down aging, strengthens the immune system, boosts metabolism and nutrient absorption, increases energy, promotes muscle recovery, and improves memory and sleep quality. 5Easy To Operate: This hydrogen water bottle generator is designed with one button operation, which is very easy to operate and suitable for use in many situations.SpecificationItem Type: Hydrogen Water BottleMaterial: Glass, Stainless SteelCapacity: 420MLBuilt In Battery: 3.7V 1000mAh Lithium Battery(Included)Package List1 x Hydrogen Water Bottle1 x Charging Cable1 x Manual