The LG LAS350B 2.1 Channel Sound Bar features Auto Sound Engine that automatically balances the audio, bass and treble. The Sound Sync Wireless Technology allows you to connect your Sound Bar to your smart LG TV wireless via Bluetooth to minimize the use of cables. The LG Bluetooth Multipoint allows you to pair up to 3 devices simultaneously so friends and family can play their music one after another without disconnecting and connecting cables.