On Sale! Black 4te Octave Bluetooth 4.0 Boombox NFC Speaker for Smartphones and Tablets. 10 Watts. Digital Dynamic Bass Engine Technology. Super Shock Sound. Lithium-Ion Battery. iPhone, iPad, Samsung Galaxy, Tablets, PC's, Mac's In The Box - One 4te Octave Boombox, One USB Charger, One 3.5mm AUX cable, Instruction Manual Make and recieve hands free calls with built in mic. Speaker Size: 2. X 2  X 7 Speaker Spec: 50mm 2 Ohms 5W Frequency Response: 60Hz ~ 20kHz Lithium Battery Capacity: 2500mA THD: &lt;0.5% SNR: &gt;90 dB