This Bluetooth speaker 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 HD via Bluetooth using the conventional method; speaker also features Creative Multipoint, 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.