Music Wireless Super Bass Portable MINI Bluetooth Speaker Loudspeaker Subwoofer USB Port<br />Loudspeaker Output: 3W<br />Input power: DC 5V<br />Battery Charging Voltage: 5V<br />Compatible With: cellphones・ iPad・ tables・iPod etc. (devices coming with Bluetooth)<br />Working Time: Approx 4 hours<br />Dimension: Approx. 52*58MM<br />Charging Time:Approx 2 hours<br />Frequency Response: 280HZ-16KHZ<br />Support TF card(TF card not included)<br />Color: white・ blue・ black・ green<br /><br />Package include:<br />1 x Speaker・1 x USB Cable