Divoom Voombox Party Portable Wireless Bluetooth 4.0 Speaker with NFC, 2.1 Subwoofer Speaker System, Powerful Sound with Integrated Microphone for iPhone, Samsung Galaxy, iPad, Smartphone, LG and other smartphones, Tablet PC (Color Option: Black) Set the mood anywhere with Voombox-party which packs a big audio punch This little powerhouse even includes a built-in subwoofer with dual passive radiators for amazing bass Connect easily with NFC and stream rich,realistic sound thanks to 2.1 design It also plays with up to 8 hours of battery life.Let the party begin,no matter indoor or outdoor. Mind-blowing 5 drivers features dual high-performance 2full-range drivers, one 3subwoofer and dual one 3 subwoofer and passive radiators,delivers a 20 Watts