1：黑白LCD显示屏，高清像素不伤眼；

2：多种运算练习可选，适配4-12岁儿童学习需求；

3：3种游戏模式，熏听-练习-游戏，形成闭环数学学习；

4：小巧便携，随身携带，装进口袋的心算神器；

5：圆润边角设计，萌趣兔子外观，亲和科技感；

1: black and white LCD display, high-definition pixels do not hurt eyes;

2: A variety of optional arithmetic exercises, suitable for 4-12 years old children's learning needs;

3: Three game modes, namely listening, practicing and playing, form closed-loop mathematics learning;

4: small and portable, carry around, put into the pocket of mental arithmetic artifact;

5: Rounded corner design, cute rabbit appearance, friendly sense of science and technology;