Portable PA system package including the SPJ-PA912 speaker from Vonyx, and a SoundSak carry bag for ease of transport. This battery powered PA system is ideal for music, speech and singing in medium-sized venues like halls, function rooms and pubs. Bluetooth technology is available on this portable PA speaker, giving you the ability to pair a smart device and stream audio wirelessly. There is also a built-in MP3 player, which has USB and SD ports to play pre-saved audio files from a USB stick or SD card. Two handheld UHF microphones are included with this portable sound system, which communicate with the speaker wirelessly.