These speakers are inbuilt with a wireless Bluetooth device (or auxiliary input if wanted) enabling their user to smoothly stream music for their enjoyment. Whether from your computer or phone, at home or at the office it makes no difference, the MUO combines portable convenience with KEF quality sound streaming. The system comes with three modes of blasting duel party mode, mono mode, and stereo mode. This beauty was also the winner of Stuff Magazine Best Bluetooth Speaker of 2015. What more do you need to know?