This automatic card shuffler provides you with a pleasant and fair game atmosphere, fitting to most card games. Easy to Use: By putting them in the 2 openings, the cards will be automatically shuffled with the push of a button and come out of a tray.Lightweight and convenient: The card shuffler needs 4 AA batteries (not included) for power supply and is lightweight to carry with, so you can use it to play cards anytime and anywhere.Wide applications: The card mixer is suitable for any card game, such as poker, bridge, Texas Hold'em, etc. It allows you to mix most standard-sized cards at random.