Samsung Shape™ Wireless Audio is an expandable system. Now music can follow you anywhere in your house. Play one song in any or all rooms, or different songs in a different room from any number of speakers. Wi-Fi® and Bluetooth® connectivity lets you send your music from your library or favorite App straight to your AC powered speaker. This Wireless Hub connects to Shape™ Wireless Audio Speakers WAM750 (black) and WAM751 (white).