Features:brand new and high qualityEnglish/Chinese Voice Math Educational Toy,Whether you're inside the classroom or teaching at home, these tools can help spark their passion for learning.Functional Operation Instructions1. One-digit addition and subtraction: the first short press is one-digit addition and subtractionPractice, short press again to compare the size of the single digit plus or minus;2. Two-digit addition and subtraction: the first short press is two-digit addition and subtractionPractice, short press again for two-digit addition and subtraction size comparison;3. Multiplier operation: The first short press is the exercise of multiplication and division, and againShort press for multiplication and division operation ratio size;4, the gameGame mode: 3 games in total, short press to switch between different games, divided intoDon't: remember numbers/find size/find patterns.Reminder: If the product is not operated for 10 minutes, the product will automatically shut down, turn the switch back to the off position, and then turn it on again.Timing switch: This function can be turned on after the child has mastered the operation rules. Short press to set the answering for time for each question, which are 5 seconds and 10 seconds respectively. After turning on, the child needs to answer question within a limited for time. Automatically judge right or wrong, long press the button to switch between Chinese or English voice.Turns math into a learning game for kids that quizzes 4 different skill levels in addition, subtraction, multiplication, division, 2 million question bank. Specifications: Specifications:Material:PlasticColor:Pink/BlueSize:Apporx. 12.5x6.5x2cm Note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1x Math learning toy1x USB charging cable