Easily make better coffee with the FrankOne One-Touch Specialty Coffee Brewer. Featuring patented Vacuum Extraction technology, this device brews a tasty cup of coffee in just thirty seconds. Additionally, FrankOne creates pressure that is strong enough to enable brewing with any grind size, ranging from very fine to very coarse. Similarly, different grind sizes make it possible to use the same machine for different brew types and cup profiles. Moreover, FrankOne allows you to make cold brewed coffee in less than five minutes. It forces cold water through the ground coffee, making the process much faster yet equally as effective. FrankOne also comes with a fine metal mesh filter, offering an eco-friendly and economical solution to disposable paper filters. Charging via USB in only two hours, FrankOne makes up to 150 coffees on a full charge.