It’s a music player for kids, that plays music when a card is inserted ... The hardware is simple enough, an Arduino Nano with modules for MP3 playback, NFC reading, seven segment display ...

【Stable Connection】Equipped with the Bluetooth 5.2 MP3 player, the anti-interference ability is stronger, for faster data transmission, more stable connection. Enjoy your music without ...

locked-down MP3 player for kids, dedicated audio setups, workouts and more. An MP3 player is an electronic device dedicated to playing digital music files. The phrase MP3 player is often used ...