- Edited
If anyone is interested, this little remote with keyboard works great on the DUDU7 3.5 OS. I am using it with the dongle so don’t have to wait for it to connect
https://www.amazon.com/Rechargeable-Bluetooth-Keyboard-Touchpad-Projector/dp/B0CRR58TJX/ref=sr_1_3?crid=27142VUUDHIHD&dib=eyJ2IjoiMSJ9.nbMjE4WlnMmlP77b0K1WVfTipagBIadRTMmzIWSND4c6zemcsNrMQDkTZu2sMLcoPoIjPbCFuX_AItI8RRGLxhMqP_Lkr2vxU9gUnP_9Gry49ANkq6fszc8-lP3wj2VA-ldbB8nUv_Djqs0JTsGQ6ZAwPQNSv1J50EIO8p8dHpg1vl83HYjoq8Y7SjUY1Q62Vmu2jD09NrLvjEO0mGFTsiY3UyaZeOQklfVZwTX4JdI.zZ3F51PTCYJpHiq6h7JBVVzkTGyEim6E-r0oT6TE5a0&dib_tag=se&keywords=bluetooth+remote+with+keyboard&qid=1740332830&sprefix=bloetooth+remote+with%2Caps%2C161&sr=8-3