Features: [Rechargeable Battery]Built in 1500mA lithium-ion battery and included USB charging cable, the fast charge function will make sure just a couple of hours are enough after long time use. [Two Switches]2 available switches, one is to press of a simple manually button will bring water out, two is the weight of your cup activates another switch to filling water, and once you taking away it will automatically stop. [Disassembled Pipe]Water bottle pump having a disassembled pipe for easy cleaning, and supply you a very easy way to drink water. [Premium Material]Made of high-quality ABS and 304 stainless steel material, eco-friendly, durable and safe to use. [Widely Applicable]Easy to operate. It fits most standard water bottle sizes, suitable for home, office, school, factory, etc.