Features: 1. [Two in one early education toy] This early education toy is made of high-quality ABS material, which is safe, skin friendly and durable. It is not only a math toy, but also a desk. It has a transparent LCD screen, clear voice prompts and smooth writing. It can improve children's reading and dictation ability. 2. [Math Game Early Education Toy] Five different models enable your children to learn while playing. Brainstorming and interesting game patterns can stimulate children's interest in mathematics. Through the guidance of interesting games, learn the basic operations of addition, subtraction, multiplication and division in the number games, and enter the mathematical kingdom in a way that children like. This early education machine can enable your children to learn basic mathematical operations faster and enhance their mathematical logic ability. 3. [Travel Toy Game Mode] There are three different game modes. The first is memorizing numbers, the second is comparing numbers, and the third is finding out rules. Each game has 5 levels, each level has 5 questions, and the difficulty of each level will gradually increase. The puzzle number game can stimulate children's interest in learning. Explore the mysteries of mathematics, and exercise children's memory and mathematical thinking through games. 4. [USB charging]: It can be used for 4-6 hours when fully charged. Note: If you are in a quiet place such as a library, long press this key to turn off/on the answering sound effect. It automatically shuts down after 10 minutes without use, which is very power saving. This early education toy has addition, subtraction, multiplication and division formulas in the range of 1-10, so that children can easily remember formulas in imperceptible influence and cultivate mathematical awareness from childhood. 5. [The best gift for children] Math early education puzzle toys are the best gift for children. Let children learn in entertainment and play in learning. Interesting learning can help children quickly master basic mathematical knowledge and stimulate their interest in mathematics. Perfect birthday gift for children. Best gift for Easter, Halloween, Thanksgiving, Christmas and New Year. Package size: 19.5 * 12.5 * 1.5cm Product list: oral computer * 1 Power supply: USB cable charging Battery capacity: 150MA Endurance: 4-6 hours Material: plastic