Hydrogen Water Pitcher Portable 2L Large Capacity 2 Modes Automatic Backwash 5V Hydrogen Water Machine with Light Indicator LED Screen Item Type: Hydrogen Water Pitcher Material: PCTG, PP polypropylene Weight: Approx. 1647g / 58.1oz Battery Capacity (Built In): Li Battery, 9000mAh Bottle Capacity: 2L Power: Type C 5V Product Size: Approx. 240x215x80mm / 9.45x8.46x3.15in Precautions 1. Before using the product for the first time, rinse 2-3 times with water. 2. Do not use any material other than mineral water, drinking water or bottled water. This includes salt water, fruit juice, soy milk, beer, beverages and tea. The user is responsible for any accidents caused by improper use. 3. The product has an automatic backwash function. Backwash every 5-7 days. In hard water areas, increase the backwash frequency. This will not affect the life of the product. 4. It is recommended e room temperature potable water, keeping the temperature below 60°C. Do not use boiling water as this may damage the product. 5. If not in use for a long period of time, keep the cup wet. If malfunction occurs, do not disassemble it by yourself. Seek professional repair. Do not use this product as a substitute for medication. Instructions and Precautions for Use 1. Fully charge the product. When charging is complete, the green light will illuminate to indicate that the product is ready for use. 2. The product can be powered by an external power source or battery. An external power supply with a 5V 2A mobile charger is recommended. 3. The activation switch of this product is a touch switch. It can be operated by gently touching the center of the switch. Do not use too much force or touch it for too long. Frequently Asked Questions: Problem: Few bubbles when starting a new machine. Solution: Soak in water for about 5 minutes to bring it back to normal. Problem: The water has an odor. Solution: Using tap water directly may produce an odor. Rinse the product thoroughly and use better drinking water. Problem: Low hydrogen production and few bubbles. Solution: Check if the charger provides 5V 2A or higher.