Once you have it on the SmartThings platform, or any other Z wave controller, you can just use a button or fob that works with that controller. Or of course do it from your phone. You don’t need Bluetooth in the picture.
The following list shows the buttons and fobs that work with SmartThings:
If you want something that will work even if the SmartThings cloud is down, you can use any of the zwave fobs that support direct Association.