Do you have a Bluetooth controller on your selfie stick? If you have it, first check whether the bottom is installed with electronics or batteries, and then turn on the switch, see the indicator light, and then turn on the Bluetooth of the phone to search for the Bluetooth pairing of the selfie stick model, and after pairing, you can use the camera to take photos. If the selfie stick does not come with a Bluetooth controller, it is necessary to buy a separate Bluetooth controller, the method is the same as above.