Streams music from up to 20 meters (66 feet) away from the speaker, within direct line of sight. Bluetooth 4.1, compatible with all A2DP stereo Bluetooth devices. Works with any stereo supporting 3.5mm or RCA jacks. The HA100 provides your stereo with Bluetooth connectivity, enabling you to stream music wirelessly from your smartphone or tablet. You can just sit back and relax as you listen to and control your favourite playlists away from your stereo. If your device has NFC functionality, you can simply 'tap' it with the HA100 Music Receiver or the NFC Tag to connect instantly. Alternatively, you can activate your device's Bluetooth and pair it with the HA100 manually. What's more, the receiver remembers up to 8 devices for automatic pairing.