This learning flashcard set comes with a USB C Smart Card Reader for Androids OS, featuring 112 flashcards and 224 knowledge points for toddlers aged 2-4. It provides letter recognition, vocabulary building, and reading functions. The built-in battery is rechargeable and easy to operate without network, making it a perfect gift for boys and girls to stimulate their imagination and reduce screen time. Features 1. 112 Learning Flash Cards for Toddlers: This talking flash cards for 2-4 year olds has 112 cards, 224 knowledge points. Children can listen to the names and sounds of animals/transportation and read aloud with them. This is a great way for them to explore different possibilities, enhance their cognitive skills and exercise their hearing. 2. Toddler Developmental Learning Toy: Fun learning flash cards for toddlers that provide letter recognition, vocabulary building and reading functions. This is a great educational toy with cards that children can use to connect images, sounds and words to stimulate their imagination. 3. Rechargeable: Built-in battery, easy to charge with USB cable. It takes only two hours to fully charge and supports up to four hours of playback time. Auto shut-off function can keep the battery life. 4. Easy to Operate: No network required, put the card into the card reader slot and the card reader will pronounce. When inserting the animal card or transport card, the card reader will play the sound of real animals or transport. Press the repeat button to repeat the pronunciation and sound effect. 5. Perfect Gift for Boys and Girls: This voice flash card is a great birthday gift for girls and boys ages 1 and up, it will keep your child occupied and reduce screen time. Specification Material: ABS, Paper Color: Blue, Pink Size: 11 x 9 x 2 cm Weight: 300 g Package Include: 1 Smart Card Reader