You can use it as a camera remote control if you have only a lot of Bluetooth earphones connected.
Press the Play, Stop, Play Forward, and Play Back buttons on the earphones to take a picture.
How to use is as follows.
1. Run the application.
2. Connect the Bluetooth earphones.
3. Press the Bluetooth Earphone (Headset) button (Play, Stop, Forward, Back button) to take a picture.