Qprezzo you tube link :
https://youtu.be/TDYklXilwxU  

•Traditional cold brew beverages are time-consuming to make. Generally, cold brew tea needs to be placed for 3 to 8 hours, while cold brew coffee needs at least 12 hours.

•Qprezzo's patented "pressure brewing" system, through a vacuuming effect, quickly extracts the essence of the ingredients making cold brewed beverage in as fast as 3 minutes.
•1:1 volume portion of the brewing chambre and drinking cup ensures 100% brewing effect in shortest time possible.

•Qprezzo cold brewer offers three concentration settings (3 / 6 / 12 minutes) – up to you for a stronger or mellower beverage.  Designed to be lightweight and portable, it only needs to be powered by a USB power supply - enjoy it anytime and anywhere, whether you are traveling, camping, driving on the road or in the office .

•In addition to cold brewed coffee, Qprezzo can also make cold brewed tea and various cold brewed beverages, fruit tea, scented tea and other warm and hot special drinks.

Qprezzo passes and complies with the testing of international professional certification including Regulation (EC) No. 1935/2004 food-grade materials and U.S. FDA 21 CFR. Reports to ensure user safety.