The Zealot H2 Bluetooth Headset is the best way to experienceFM radio and earthquakes in the Jabra NC1 Active Headset. The headphones have a 10 hour battery life and are able to keep track of music, calls and weather for up to 8 hours. The headphones have an in-ear design for an unobstructed listening experience. The Zealot H2 Bluetooth Headset is a wireless headphone that has a 5.1 surround sound audio system. It also has a threat-tracking system that ensures you stay safe when you’re out and about.