Item Type: Card learning machine_x000D_ Material: ABS_x000D_ _x000D_ Battery Type: Lithium battery(built in)_x000D_ Battery Capacity: 300mAh_x000D_ Power Adapter: 5V_x000D_ Charging Method: USB charging 1Standard Pronunciation: Our talking flash cards has pure spoken language, guides the baby to pronounce correctly, real life recording, pronunciation standard, emotional reading, not blunt. 2Vocabulary Interpretation: Our flashcards baby toys has bilingual vocabulary interpretation to expand children's knowledge, life oriented, and scene based to help children understand and improve cognition. 3Portable: Our card learning machine is light and portable without WIFI, and it can study in places without internet, so your child can study easily anytime, anywhere. 4Cognitive Learning: Imitates real sounds, satisfies their curiosity and gives full play to their imagination. The device will tell you the pronunciation of words. 5Safe: Our flash card machine is all made of safe material, baby can play with confidence. No screen design is better for eye protection, parents no need to worry about the damage to eyes of their children after playing for a long time.1 xCardLearningMachine