Masione&trade; SP300 NFC Bluetooth 4.0 Speaker,6 Watt Portable Speaker System,1000 mAh Li-ion Battery, Deep Bass Booster, Built In Mic,Up to 12 hours Playtime for Iphone ,iPod,Nexus,iPad,Samsung Galaxy, HTC, Androids,Smartphones,Tablets, MP3,MP4 and Music Player(Black-Grey) DOUBLE PRESS the phone icon button(MFB button) to pair with Bluetooth Devices NFC (Near Field Communication) Technology,The LASTEST Bluetooth 4.0 Output:3W x2, Two 40mm drivers produce high-quality stereo crystal clear sound with powerful deep bass system 1000 mAh lithium Battery offers up to 12 hours of playtime Built-in Microphone as hand-free speakerphone for Calls