Rhino Tech Click Phone Shutter Release Fishing Self Take Phone Accessory 

Product Information
Rhino Click 

Bluetooth camera shutter release for mobile phones 

A ring you put on your index finger and press the button on the side with your thumb to take pictures whilst fishing alone 
Rechargeable Battery - 30 mah
Working Range - 10 metres 
Compatible with all devices with Bluetooth
Can be charged with supplied micro usb cable 
Watch video here 

https://www.youtube.com/watch?v=M-G-XiN3q8c