1, TF card interface: TF memory card can be inserted to expand the content capacity, and the maximum support is 32G cards.

2. On/off key: press and hold the middle O-key for power-on and power-off functions.

3. Left and right selection keys: left selection key/volume down key and right selection key/volume up key respectively.

4. Return key: ← Return to the previous menu key.

5. Main menu key: the HOME key directly returns to the main menu interface.

6. Focus knob: Turn the knob to adjust the focus according to the projection distance, which can achieve the best visual display effect.

7. Infrared sensing port of remote controller: When using the remote controller, it receives signal instructions through this port.

8. Charging port/data connection port: When charging, the charging indicator light is red. When fully charged, the charging indicator light is green. Connect with the computer through the data cable connection interface to copy the corresponding animation learning content.