Roswell Marine Cybox Bluetooth Interface The Cybox Bluetooth receiver allows you to connect any bluetooth enabled wireless device to your sound system. To use all you need to do is power up the unit and connect it to your amplifier or head unit. Designed to provide top notch real time audio streaming while not being a major drain on your system. Designed for harsh marine environments, this unit is built to last boasting an IP67 rating. The device has a built in memory that will allow it to auto