Per the issue, We suggest that you could try to use Bluetooth Mode Or IR Learning Mode to check if they could make your devices work well or not. 1. Bluetooth Mode 2. IR Learning Mode Learn from your Infrared devices:  Select the Icon of the function key that needs to copy. Meanwhile, long-press the corresponding function key of the original remote. If the APP notifies you it's successful which means complete.  If not, please try it again and adjust the distance of 2 remotes. Kindly noted: *For IR DEVICES, Keep U1 Line-Of-sight with your original remote

Sorry for the late reply. Your device has been added to our database. Please add it according to the brand and model：Brand：Sharp Model：LC-42LB261U

Sorry for the late reply. Your device has been added to our database. Please add it according to the brand and model：Brand：Samsung Model： HW-Q70R

Sorry for the late reply. Your device has been added to our database. Please add it according to the brand and model：Brand：McIntosh Model： D150

Sorry for the inconvenience caused. Please try clicking on the Bluetooth icon, selecting Others to add NVIDIA, and see if it can be used normally

Sorry for the late reply. Your device already exists in our database. Please add it according to the brand device：Brand：Denon Model： AVR-X4700H,Brand：Epson Model： Pro Cinema LS12000

Sorry for the inconvenience caused. Please try adding a device by clicking on the NVIDIA icon on the add device homepage to see if it can be used normally.

Sorry, the macro button does not support Bluetooth devices.

Sorry for the delay in replying to you. We are unable to change the Bluetooth data. We suggest that you use infrared to add it

Sorry for the late reply. In U2, you can create macro buttons for the device to achieve one click direct access and assign device instructions to U2 buttons. I have sent you a video and hope it can be helpful to you，How to Create Macro Function https://youtu.be/sohArzrBAMc