The LG NP8540 40W 2CH speaker works either alone or as a part of LGs multi-room speaker system. With Smart Music Play, your compatible mobile device is recognized when you get home and seamlessly syncs to your LG Hi-Fi system. This lets you listen to music without interruption from your earphones to your home speakers. Compatible with many streaming services and Bluetooth all without those pesky interruptions in service. The Mesh network combined with dual band technology minimizes disconnections for a seamless listening experience. If you purchase multiple speakers and the LG bridge system, you can synchronize your speakers to play the same music throughout or set different music for every room in the house.