CARDO Packtalk outdoor - Dynamic Mesh Communication - NEW! - Bluetooth communication - TALK with friends without cell phone service!! - GREAT for skiing, sailing, hiking, mountain climbing and ANY outdoor adventures! - Enables you & friends to communicate when there is no cell service!!! 😀 - dynamic mash communication (DMC) is a networking technology that creates living connections, actively seeking to connect to other units. DMC will adapt based on the behavior of units in a netwerk to ensure communication is maintained in the best way possible. - SEE photos of box for further info Bundle & save!!