Spin control, fingertip efficiency player,Pomodoro clock x 3 themes, let focus and fun resonate at the same frequency mobile phone bluetooth,Song cover,All in one,Volume and scratching, one twist and two holes control A touch of light, frames follow your heart,Slide to switch between videos and photos, and put time into the art gallery at your fingertips<br><br>Notice: The product supports burning Xiaozhi AI firmware This product does not have a speaker, but has a 3.5mm audio interface. You can use your own speakers or headphones with a 3.5mm interface.Otherwise there is no external sound. Display screen:1.8 inch knob screen Touch type:capacitive touch screen Main controller:esp32-s3+esp32 Memory:8M PSRAM 16M FLASH Storage:512M TF card Knobs:CNC KNOBВ (The product appearance and printed words may vary depending on the batch, but this does not affect use) Color: As shown Material: ABS<br><br>Package Contents: 1 * 1.85-inch ESP32 S3 development board<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.