control, fingertip efficiency player,Pomodoro clock x 3 themes, let focus and fun resonate at the same frequency mobile phone bluetooth,Song cover,,Volume and scratching, one twist and two holes control of light, frames ,Slide to switch between videos and photos, and put time into the art 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 KNOB (The product appearance and printed words 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.