
I ordered 2 sets of these. I ordered in November 2020 as a gift for my daughters. As such, they have been in use since Christmas 2020. A device has problems with Bluetooth turning off all the time. The other one already has defective LEDs, see the photos I've attached. Quite disappointed as I know I use other brands if some LEDs fail others will soon follow. In terms of adhesion, they stick to the wall easily and have pretty good contact. Just make sure your walls aren't dusty and you'll be fine. I can deal with the Bluetooth not working as you can still use some of the remote's functions. But my main complaint is that after only 2 months we already have some LEDs.

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