1.Power On/OffInsert the tube of the electric wine starter firmly into the bottle, just press the button on the top of the wine starter and dispenser, the aerated wine will be poured directly into the glass or In the container, the taste is excellent. To stop the flow, just press the button. Not a drop of wine will spill.2.Faster and more efficient fermentation: Electric wine shaker provides larger air contact area to increase oxidation, so aeration is 5 times faster than traditional wine shaker. Instantly smooths tannins without waiting3. Rechargeable battery with micro USB cable: The built-in lithium battery can be fully charged in just one and a half hours, and can be recharged about 35 bottles per charge.4. Portable and Fits Most Wine Bottles: The small size allows you to take it with you when you travel or party, and it is compatible with most wine bottles.5.Ideal Gift for Wine Lovers: This electric wine doser is an ideal gift with its efficient and multifunctional design.