this App is only works on device that are running Bluetooth 4.0 or higher and are running Android 4.3 or higher for Android devices;For iOS device that are running iOS 7.0 or higher ,it will work if you are using an iphone 4S,5,5C ,5S,6 or newer,or an iPad3,iPads air or newer device.Connect your smart device with this RGB LED light by bluetooth ,you may assign renamed this light ,this App has "the uncilor steady ","color choose wheel" ,"change mode" can show from the unicolor choose with per col