Feature 1Reliable and Portable: Kids calculator is made of ABS, which is skin friendly and durable, with LCD screen, clear voice prompts, and portable size 2AAA Battery Power: Kids math calculator requires 3 AAA batteries to start using. Does not support charging, you can replace AAA batteries to use by yourself (AAA batteries are not included, please bring your own) 3Play Method: Select your skill, choose your game (practice or challenge), read the questions and enter your answers, then make a sound to indicate correct and incorrect answers and track your success. (See the manual for more information) 4Educational Toy: Versatile includes addition, subtraction, multiplication and division tests, math games, math formulas, time limit tests and more to encourage your child to learn 5Holiday Gift: Educational math toy is suitable as a gift for children at Easter, Halloween, Children's Day, parties, birthdays, etcItem Type:KidsOralArithmeticToyMaterial: ABSModel: S9Battery Type: Requires 3 AAA Batteries (not included)Endurance: About 30 Hours of Continuous UseSpeaker: 0.25WScreen: Black and White Digital DisplayCharging: Does Not Support Charging, You Can Replace the AAA Batteries to UseKey: 20 Silicone Keys, a Toggle Switch, a Press SwitchFunctions: Single Digit Addition and Subtraction, Two Digit Addition and Subtraction, Multiplication and Division, Games, Math Mnemonics, Etc. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x KidsOralArithmeticToy1 x User ManualNoteShipped Without BatteryPlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.