Frisby FS-4050P Portable Rechargeable Bluetooth Karaoke Party Machine PA Speaker System w/ Telescoping Handle & Wheels & 2 Wireless Microphones Echo & AM/FM Radio & USB & SD Slots Complete Bluetooth-enabled Mobile Music Center & Karaoke PA System w/ Remote Control Stream music wirelessly from any Bluetooth-enabled device Built-in wireless microphone system & 2 Wireless microphones included Heavy duty wheels and telescoping handle make portability easy to move Built-in digital AM/FM radio and retractable antenna & USB & SD / MMC Slots / AUX audio input