Round counter
Blue tooth Secure communications capable
Plans to incorporate ranging and target illumination
"The system takes multiple independent inputs from around the firearm and fuses the data to communicate with the shooter (and others if needed) to build situational awareness on the target area and weapon status. The system provides powered or unpowered magazine awareness with data sent to multiple displays."
https://soldiersystems.net/2022/01/14/m ... he-x4-fcs/