Mini and compact， fashionable and elegant， this S12 Mini Portable Wireless V3.0 Bluetooth Speaker with TF Card Play Function will be your reliable and loyal companion. Made of first-class metal， the outer shell gives you solid texture and distinctive visual and aesthetic effect. Besides， sturdy outer shell features fine resistance to abrade， bump， impact， pressure， etc. Bright and pure color adds radiance to it. Fine workmanship makes it uneasy to remove paint. Furthermore， high technology ensures its HD and perfect tone quality， shocking high and low tone effect. It is a great combination of Bluetooth play function， TF card play function and hands-free calls function. With so many functions and advantages， it is really an indispensable and helpful speaker in our daily life!                                    Features             Compact and portable design， convenient and fashionable <br> Wireless Bluetooth audio transmission<br> Built-in high capacity lithium battery <br> 10m voice frequency transmission distance<br> Built-in TF smart decoder can play MP3 format audio files<br> Mini USB charging and transmission<br> 3.5mm audio input jack to connect other standard audio cables<br> Built-in microphone， hands-free calls function<br> With FM function <br>                                                            Specifications             External Interface     Micro USB     <br> Output Voltage     5V±0.5V     <br> Dimensions     (2.36 x 2.44)" / (6.2 x 6)cm (Dia. x H)    <br> Weight     7.34oz / 208g     <br> Color     Silver    <br> Frequency Response     280Hz - 16KHz    <br> Signal to Noise Ratio(SNR)     ≥95dB    <br> Battery Voltage/ Capacity     520mAh    <br> Charging Time     2Hours    <br> Speaker Power     4Ω 3W    <br> Material     Metal    <br> Bluetooth Version     V3.0     <br> Operation Frequency     393.7" / 10m    <br> Model     S12     <br>                                                             Package Includes            1 x Speaker<br>1 x USB Cable<br>