Battery-powered or plug-and-play: Can be plug-and-play (need to be charged all the time to shuffle the card no power storage function). It can also be powered by 4 AA batteries (not included) and play cards with friends anytime anywhere. One-key quick shuffling: Click once and it will stop automatically after shuffling is completed. Press twice in a row to shuffle the cards all the time. After shuffling is complete press again to stop. If you are a card player and like entertainment this 2-layer card shuffler is perfect for hosting casino-themed parties with friends and family. This electric shuffler maximizes the ability to shuffle cards quickly. Professional quality: The shuffler is made of high-quality plastic with exquisite craftsmanship durable reliable in use and not easily deformed. Suitable for most standard size cards. Magnetic suction cup design: automatic reset by the magnetic suction of the bayonet outlet and the cards are shuffled smoothly and not easy to fall Play cards anywhere: This shuffler is lightweight and very suitable for carrying. It is only 21 x 11.5 x 10.5 cm/8.2 x 4.5 x 4.1 inches (length x width x height). You can use it at company family gatherings or camping. It is very convenient 100% satisfied: If you have any questions about the shuffler we are happy to reply you within 24 hours to ensure that you have no worries about shopping