Creative Airwave Portable Wireless Bluetooth Speaker with NFC (Grey) Features Near Field Communications (NFC) technology which allows for easy, one-touch pairing by simply tapping your NFC-enabled Bluetooth smart device on the speaker Smart devices that are not NFC-enabled can easily be paired to the Creative Airwave via Bluetooth using the conventional method which allows you to connect two Bluetooth stereo devices to it Enjoy your music by connecting directly to the speaker via the integrated analog Aux-in connector Built-in Li-ion battery means you're free to place your speaker almost anywhere you please, plus the battery can be easily charged via a standard micro USB connection. Up to 12 hours of playback time between charges