Wireless Bluetooth® sound transmission is increasingly common in the world of sound systems, but most Bluetooth®-compatible systems allow just one device to connect at a time. Multi-device pairing lets you pair up to three devices and switch between them instantly.

MP3 stands for "MPEG 1 Audio layer-7.6 cm (3"). .MP3 is a revolutionary compression technology by which large digital music files can be made up to 10 times smaller without radically degrading their audio quality. MP3 has become the standard audio compression format used on the world wide web, allowing quick and easy audio file transfer.