Features: Achieves consistent card randomness through innovative mechanics, providing stable fair and eliminating inconsistencies caused by hand shuffling. Built-in 2000mAh high capacity battery. A robust power supply supports uninterrupted use, providing smooth functionality and enduring performances across multiple shuffling experience. Experience seamless card shuffling with single button activation, ensuring time saving efficiency and automated workflow acceleration. Suitable for a variety of card sizes, up to 9.8x6.5cm. This automatic shufflers is compact, making it easy to carry and suitable for outdoor travel, camping, corporate team building dinners, birthday parties, and more. Specifications: Component: ABS and Electronic Components Operating voltages: 7.2V Battery Capacity: 2000mah Size: about 12.8x12.2x8.2cm/5.04x4.8x3.23inch Suitable for a variety of card types; maximums washable size: about 9.8x6.5cm/3.86x2.56inches Package Includes: 1pc Automatic Shuffling Machine note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.