Here is an electronic talking device that lets you communicate with others up to 12 miles when you go target shooting or hunting. The Caldwell E-MAX Link Talking Device links to E-MAX Shadows Pro and other hearing protection devices. It is powered by a rechargeable battery but also runs on 3 AA batteries.
The device has push buttons for easy operation. It can connect to non-Bluetooth hearing devices too.
[where to get it]