"" Let the same great song follow you around the house with multi-room listening, controlled via the Song Pal app (version 3.0). Use Song Pal Link to group selected Sony sound bars & speakers together, then stream music from different music services, a smartphone, a PC, or your DLNA network in multiple rooms throughout your home Touch your NFC-enabled smartphone or tablet to the NFC logo to make a quick connection, & then start streaming great music via Bluetooth. ""