Through the stepless speed change button, the speed can be adjusted appropriately according to the capacity. Two power supply methods are available: install 4 AA batteries (not included) or connect the power supply with a USB cable. The decanter sets the continuous working time to be ten minutes and automatically stops, and needs to be restarted to start. When the battery power becomes low, the working light will turn red. and portable, suitable for most occasions-this pocket-style wine faucet machine is light in weight, small in size and easy to carry. to use new batteries to supply red/white wine. perfect wine accessories for family use, parties, picnics or celebrations (such as birthdays, weddings, anniversaries, graduations, retirements, housewarmings). Colour:black Material:ABS Package Contents: 1 x decanter 1 x USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.