Safe Material: BPA free electric drinking water pump, food grade silicone hose, 304 stainless steel, automatic USB charging. The automatic drinking water pump is made of high-density ABS plastic, non-toxic and odorless, safe to use, and eliminates bacteria caused by repeated cooking and cooling and other health problems. USB Rechargeable Water Pump: This bottle water pump has a built-in 1200mAh rechargeable battery, which can be used for 30-40 days or about 6-10 days. 10 buckets with 5 liters of water. The electric drinking water pump can be used for a long time at full charge and does not require daily charging. The powerful 4W water pump can pump water quickly. In 1 minute, about 3 liters of water. Easy installation: just insert and tighten the hose into the bottle water, intelligent one-button operation, quiet, no drilling required, even children and the elderly can easily use. The automatic drinking water pump with USB charging function has a removable tube design for easy