Portable Water Dispenser: Enjoy wireless convenience with a built-in rechargeable battery, ideal for camping or on-the-go hydration without the need for power outlets. USB Charging Compatibility: Effortlessly charge the automatic pump through USB with various devices, ensuring easy access to drinking water anytime, anywhere. Enhanced Water Flow Technology: Benefit from dual pump core technology that accelerates water distribution, providing a seamless and efficient hydration experience. Customizable Water Volume: Select from three preset water volumes on the dispenser pump for hands-free operation, catering to your specific hydration needs effortlessly. Whisper-Quiet Operation: Experience a tranquil environment with the quiet operation of this portable water dispenser, perfect for offices or homes where peace is paramount. Description: Introducing the innovative water pump with a built-in rechargeable battery for ultimate convenience. This water dispenser operates wirelessly, powered by a lithium battery that can be charged during use, making it ideal for outdoor activities like camping. Easily recharge the automatic drinking bottle pump through USB with an adapter, power bank, or computer, ensuring hassle-free access to drinking water anytime, anywhere. Experience enhanced water flow with the dual pump core technology of this wireless electric water pump. The double pump core accelerates water distribution, eliminating the need to wait for your refreshment. Choose from three preset water volumes (200ml/800ml/1200ml) on the dispenser pump, allowing for hands-free operation that automatically pauses at your selected amount. Enjoy quiet operation with this portable water dispenser, ensuring a peaceful environment in your office or home. Perfect for both work and relaxation settings, this dispenser provides a convenient and efficient way to access clean drinking water on the go. Item Name: Water Pump Material: Plastic Charging Way: USB Charging Power Supply: Built-in Battery (Included) Features: USB Charging Compatibility, Adjustable Water Volume, Quiet Operation Size Details: L: 12.5cm/4.92", W: 6.6cm/2.6", H: 5.8cm/2.28" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Water Pump