ASING A31 Multi-Functional Presentation Remote With Telescopic Teaching Rod Designed For Touch Screen

1. Black screen countdown function, the page-turning pen will vibrate once per minute in the last 5 minutes of the countdown, and will vibrate 6 times continuously after the countdown is over to notify you that the timer is over.2. 2.4GHz 100-meter remote control, stable and sensitive signal3. Full-scene annotation eraser: No software restrictions, you can annotate and write on any page, and you can call up the brush, eraser, and screen clearing functions with one click (this function needs…

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