• USB Charging : Charge your water bottle pump easily with a USB cable, no need for batteries or power outlets. • Auto Switch: The pump automatically turns on when you press the button, making it convenient to use. • Drinking Dispenser : The pump dispenses water automatically when you press the button, making it easy to drink water on-the-go. • One Click Auto Switch : With one click, you can easily switch between dispensing modes, making it versatile and user-friendly. 1. Simple and convenient, press the button to water out/press the button to stop water 2. Highly compatible base, universal for big and small barrels 3. Built-in 800 mA large battery can pump 4-6 barrels of water when charging 4. Fast water outflow, a glass of water in 3 seconds Product description: Product name: wireless water pump Color: black, white Size：14*8cm（ Manual measurement about 1-3cm error） Material: PP Water outlet mode: one button for continuous water outlet Outlet pipe: 304 stainless steel Water inlet pipe: silicone hose Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3cm measuring deviation due to manual measurement.