Malektronic Malibu 2.0 Bluetooth Speaker - White Streams music wirelessly from any Bluetooth device up to 10 meters/33 feet away Easy-to-use controls for music playback and answering phone calls Built-in powerbank- allows you to use the speaker battery to charge your phone Battery Duration 10 to 20 hours depending on volume NFC: Near Field Communication, a quick Bluetooth pairing technology