Feature:1. PROMOTE HEALTH: With a hydrogen value of 12001500 PPB, this portable water bottle electrolyzes pure water and is designed to infuse hydrogen into your drinking water, providing you with antioxidant rich, rejuvenating hydration.2. PREMIUM MATERIAL: The water bottle is made of a durable combination of glass, plastic, and stainless steel, effectively prevent scalding, maintain water temperature and minimizing the risk of breakage. Enjoy your hydrogen rich water with peace of mind.3. RECHARGEABLE AND CONVENIENT: The built in lithium battery can be easily recharged using the included USB port. No need to worry about constantly replacing batteries. Stay hydrated with hydrogen water whenever and wherever you go.4. SPACIOUS CAPACITY: With a capacity of 420ml, this water cup provides ample hydration for your daily needs. Whether you're at the gym, office, or on the go, stay hydrated and rejuvenated with hydrogen rich water.5. EASY TO USE AND CLEAN: With just a simple press, the light at the bottom illuminates and hydrogen separates from the water. The bottle has a unique design that makes cleaning easy, both the bottom and the top can be opened effortlessly.Specification:Item Type: Hydrogen Water CupMaterial: Glass + Plastic + Stainless SteelBattery Type: Lithium Battery (shipped with built in battery)Battery Capacity: 1000mAhPower Supply: USB PortCapacity: 420ml.Package List:1 x Hydrogen Water Bottle1 x Charging Cable1 x User Manual