Features: Portable size, nice looking wine decanting tool. Electric wine dispenser, easily one push button control. Aerating and pouring wine function. Pumping, pouring, and decanting red wine just in seconds. USB charging, convenience to be powered by adapter, power bank, computer, etc. Built-in a 18650 lithium battery, which aerating and decanting 60-80 bottles of red wine after full charged. Easy to use and clean.