This D-dragon Portable Elegant 3.7V 600mAh Wireless Bluetooth Stereo Speaker will offer you infinite pleasure. Designed into mini and portable style， it is convenient to take along with you all the time. Elegant appearance and meticulous workmanship make it popular and well received. In addition， with universal 3.5mm audio jack， it can still play music with a standard cable without Bluetooth devices. You can also rest assured to its quality and performance. Furthermore， this speaker has AM and FM functions for more pleasure. Take action now and enjoy wonderful music freely!                                    Features             Perfect sound quality and effect  <br> Wireless Bluetooth transmission and play<br> With AM and FM radio functions <br> Suitable for both indoor and outdoor exercise<br> Wireless radio frequency medel: touch adjustment  <br> 3.5mm audio input， earphone jack<br> Elegant and fashionable appearance， excellent and pure tone quality <br>                                                            Specifications            Power Supply    3.7V !#!amp!*! 600mAh    <br>Speaker Unit    4Ω3W x 2    <br>Color    White    <br>Frequency    40- 20KHZ    <br>Signal Noise Ratio(SNR)    ≥85dB    <br>Response Sensltivity    500mv    <br>Impedance    40HM(Ω)    <br>Dimensions    (9.06 x 2.56) " / (23 x 6.5) cm (L x Dia)    <br>Weight    15.66 oz / 444 g    <br>                                                            Package Includes            1 x Speaker<br>1 x USB Cable<br>1 x Connect Cable<br>