The Amethyst M3 ?Mini Block? is the speaker you will bring everywhere. It is compact and will give you up to six hours of on the move sound. The M3?s Bluetooth 3.0 technology makes it dead simple to connect to your Smartphone, iPhone or Bluetooth enabled device plus it has speakerphone capability too. You can plug in lots of other devices via the 3.5mm stereo socket. The ?Mini Block" is your block rocker!