Features 1、Automatic Backwashing Mode: This feature enhances its longevity by effectively removing grimes from the electrode membrane, ensuring optimal performance over time. 2、Two Modes: Enjoy hydrogen gas production with two options for hydrogen concentration, 6 minutes and 12 minutes, allowing you to customize your experience based on your needs. 3、Multi Use Capability: Enjoy both hydrogen water and hydrogen gas thanks to the independent hydrogen inhalation outlet on the top. The detachable base allows you to pair it with mineral water bottles for added convenience. 4、Portable: Suitable for traveling, this bottle features a long lasting battery, ensuring you stay hydrated on the go. It is made from premium PCTG material, making it safe and dependable. 5、Leak Proof Seal: The lid is equipped with a thick silicone sealing ring that ensures a tight seal. Simply tighten the lid to prevent any leaks, offering peace of mind during use. 6、One Key to Operate: The hydrogen rich water bottle features a one key start stop function, making it suitable for various environments, including workouts, and everyday activities. Specifications Item Type: Hydrogen Water Bottle Material: PCTG, ABS, Aluminum Oxide Battery Capacity (Built in): Li Battery, 4000mAh Bottle Capacity: 400ml Power Supply: Type C 5V Package List 1 x Hydrogen Water Bottle 1 x USB Cable 1 x Instruction Manual 1 x Hydrogen Absorption Tube