The TUNE+ is compatible with all modern Apple smart phones and tablets. Please make sure your device offers Bluetooth 4.0 low energy.
The TUNE+ is compatible with most Android versions. Please make sure you use Android 4.4 or newer and your device offers Bluetooth 4.0 low energy.
Unfortunately we can not guaranty the 123TUNE+ works with Android 7.0 because of a Bluetooth bug in this Android version.