Betamax SAFARI 115, are the ultimate on-the-go and hit-the-road audio system. Available in the option of 12” and 15”, Safari portable audio systems provide reliability and rugged operation at all times, with a host of components including MP3 /SD card playback, bluetooth receiver, built-in FM tuner and 2 handheld wireless (UHF) microphone. Whether a professional musician, busker, street performer or businessperson, the Safari self-contained portable audio sets offer professional sound while on the road. Can use many in one loction due to its adjustable frequency