Built for communicating directly with a passenger, the SF1 Bluetooth communication system provides 2-way intercom communication up to 100 m (110 yards) in open terrain. The SF1 lets you pair to your device so you can stream music, take and make phone calls, and hear turn-by-turn GPS directions. The SF1 also allows VOX Phone commands and includes capabilities such as Audio Overlay™, Quick Charging and microphone mute options.