DescriptionNewest flow sensor technology allow you choice the water pumping capacity as you need. Made by high grade material, food grade silicone hose, high density ABS shell. Provide a healthy and convenient water drinking method for you.Feature- Color: White. - Material: ABS+Silicone+Stainless Steel. - Size: About 13.4 x 6.3 x 5.5cm. - Power: USB. - Rated voltage: 5V. - Rated power: 4W. - Rated frequency: 5Hz. - Water pumping capacity control allow you pump the water as you need. No water waste anymore. - Using the best insulation or high density plastic shell. - Easy to use: Easy to install and use it. the elderly children can also operate, One key switch operation, just need to gently click, Family health drinking water necessary. - Useful: Fits most water bottles and for most capacity water bottle. - Easy to charge: Charging by USB cable.