Enjoy convenient and compact sound projection with the Portable Karaoke PA Amplifier and Microphone System. It features built-in BluetoothR streaming for music–or you can use the included wired handheld microphone to get your message heard loud and clear. The system also includes a belt-pack transmitter, headset and lavalier microphones for wireless performance. BluetoothR connectivity gives you the ability to stream audio from your favorite devices or connect digital media files via USB flash drive reader. MP3 digital audio file compatibility allows you to connect music files right from your computer’s media library. The system can be powered via the built-in rechargeable battery and provides up to 10 hours of wireless speaker sound projection.