JBL Trip Visor Mount Portable Bluetooth Hands-Free Kit (Black) HARMANs exclusive Voice Cancellation technology allows for crystal clear phone calls Navigation and ADAS apps like iONRoad wirelessly, send safety and turn prompts via Bluetooth Navigation and ADAS apps like iONRoad wirelessly, send safety and turn prompts via Bluetooth Can keep the music playing for up to 8 hours before a charge.