1. A variety of learning modes to stimulate childrens interest in learning 2. Free timing settings, 5/10s timing training 3. Comfortable keys, wear-resistant and durable, silent and silent 4. Battery capacity: 120mAh 5. Charging interface: USB 6. Material: ABS 7. Functions: number games, formula memory, timed answering, automatic correction, etc. 8. Applicable age: children over 3 years old 9. Size: about 13.8 x 6.6 x 2cm
1. 多种学习模式,激发孩子学习兴趣 2. 自由定时设置,5/10s定时训练 3. 舒适按键,耐磨耐用,静音无声 4. 电池容量:120mAh 5. 充电接口:USB 6. 材质:ABS 7. 功能:数字游戏、口诀记忆、定时答题、自动批改等 8. 适用年龄:3岁以上儿童 9. 尺寸:约13.8 x 6.6 x 2cm
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