The manufacturer indicates that the remote control is to be used only for Apple, so iOS devices. With small losses, perhaps also due to my machine and could thus be an isolated case but it is just as well for all other devices available that run on Android. I tested it on an iPhone, a Mac and my Android smartphone (Huawei). The Apple devices all promised features were used (volume control, brightness, shutter release, song selection back and forth in music and pause function, screen and keyboard lock, Home function); for my Smartphone only did not the song-skip function forward.
Until one has eingefuchst in the really rudimentary operation, it takes a few attempts. Then it's actually pretty good with a very disturbing exception. If you for example the iPhone loses. Bluetooth connection, the remote control does not automatically reconnect. Worse: you have the device only delete from the list (ignore), and then try again, so it can connect again. Very annoying.
The range is even through walls about ten feet.
Thus, there remains a useful device with a few, but the most important functions. Only the connection problems are very disturbing; In addition, the remote control is always only for a single device at a time. Power three and a half star ...