Fixed voltage 220v; 50-60Hz; 5v; 2A Battery capacity 1500 mAh Material PCTG(Body) Stainless Steel 304( Lid pressure vent) Aluminum alloy (Base and lid) Electrolysis time 5 or 10min Charging port -port Water temperature range 32℉-140℉ Capacity 340ml Product size φ70mm×218.4mm Bottle, charging cable Advanced Technology: By cutting-edge Solid Polymer Electrolyte (SPE) and DuPont Proton Exchange Membrane (PEM) technology, water undergoes an electrolysis process wherein it is divided into hydrogen and gas. Through this process, hydrogen gas permeates into the water, resulting in the creation of Hydrogen-rich water with optimized bioavailability Portable Wellness Companion: 5-minute cycle for 2500-3000 PPB or 10-minute cycle for up to 6000+ PPB concentration, with 6-hour hydrogen retention. The hydrogen-rich water bottle has EVE pads on the bottom for stability and slip resistance. Easy to use in the office, on the go and at work Intelligent Voice Mode: Stay on top of your hydration goals with the Hydrogen Water Bottle. Featuring customizable voice reminders, you can record unique tones for a personalized experience. Its intelligent system provides automatic hydration prompts every 90 minutes to your well-being. The voice functionality also enhances interaction, allowing users to share thoughtful messages with loved ones, making hydration a more engaging routine Sleek and Safe Design: Hydrogen Water Bottle is made of PCTG material, a high-quality material known for its BPA-composition and safety for human use. With easy-to-clean detachable parts, it simplifies maintenance while preserving the ionizer integrity and purity of your hydrogenated water machine -Enhancing Hydration: the healthy hydration hydrogen water bottle, you can high-quality and healthy drinking water. Drinking hydrogen-rich water for a long time can slow down the oxidation reaction in the body, promote metabolism and enhance immunity. Note: Do not add juice, milk, tea Long-Lasting Battery Performance: Equipped with a 1500 mAh rechargeable battery and convenient -charging port, ensuring reliable power for multiple electrolysis cycles throughout your day without frequent recharging Versatile Temperature Compatibility: Designed to work efficiently with water temperatures ranging from 32F to 140F, accommodating both cold and warm water preferences for your hydrogen-enriched hydration needs