The Olsenmark Rechargeable Water Pump is the best choice for the office, home, kitchen, school, outdoor activities, and so on. It is made of high-quality material, durable and safe to use. The water pump has a compact size, is lightweight, portable, and provides you a very easy way to drink water. You can easily operate it as it comes with a button switch. Simply press the button to get water, press again to turn it off. The High-capacity rechargeable battery makes sure you don’t need to charge it every day. Olsenmark rechargeable water pump is suitable for pure bottled drinking water, and most standard water bottle sizes.