Cardo Packtalk Edgephones for Packtalk EdgeSlide on Cardos coaching EDGEPHONES and watch as they transform your off road training and group rides into an experience of unmatched clarity and connection. Perfectly compatible with your PACKTALK EDGE, they offer effortless syncing for clear cut communication, whether you're mentoring on the track or bantering on a trail. With JBLs superior sound, your voice slices through the most clamorous environments. These EDGEPHONES are not just for trainers