The Oval Shaped Arc Sound Conduction Wireless Bluetooth Speaker is integrated with a lot of amazing functions， definitely a must-have for leisure， outdoor activities， sports， antenatal training， etc. It adopts top-notch arc sound conduction technique， producing quality clear sounds with crisp highs and deep booming bass. Bluetooth connectivity avoids the hassle of running wires. Up to 10m working distance offers more flexibility. And it is inbuilt with 1100mAh lithium battery that offers enough power for hours of music play. Don’t hesitate to give it a try!                                    Features             Great for leisure， outdoor activities， sports， antenatal training， etc.<br> Adopt top-notch arc sound conduction technique<br> Produce quality clear sounds with crisp highs and deep booming bass<br> Bluetooth connectivity avoids the hassle of running wires<br> Up to 10m working distance offers more flexibility<br> Inbuilt 1100mAh lithium battery offers enough power for hours of music play<br> Support memory card extension<br> Compact design， lightweight， easy to carry <br>                                                            Specifications             BT Version     V2.1 + EDR Class 2    <br> Working Distance     10m    <br> Speaker Unit     2" x 24Ω    <br> Output Power     2W x 2(RMS) THD=10%    <br> Frequency Range     150Hz - 20KHz    <br> Signal to Noise Ratio     ≥ 65dB     <br> Distortion                             Package Includes            1 x Rugby Wireless Bluetooth Speaker<br>1 x USB Cable<br>1 x Connecting Line<br>