This A109 Fashionable Wireless Bluetooth Speaker with SD Card Slot connects wirelessly to compatible devices via Bluetooth and works with Bluetooth-capable smartphones and tablets. Even better， it also plays music from TF card. 40mm driver unit produces rich， full sound for an enjoyable music journey. And it is inbuilt with rechargeable li-on battery for more convenience. Sleek design is sure to complement your style. With a compact， lightweight body， it goes wherever you are. Don&acute;t hesitate any more! You won&acute;t regret it!                                    Features             Connect wirelessly to compatible devices via Bluetooth<br> Built with a TF card slot， play music from TF card<br> 40mm driver unit produces rich， full sound<br> Inbuilt with rechargeable li-on battery for more convenience<br> Sleek design is sure to complement your style<br> Compact and lightweight， easy to carry <br>                                                            Specifications             Model     A109    <br> Color     Silver    <br> Music Format     MP3 Bluetooth    <br> Version     Bluetooth 2.1 + EDR    <br> Frequency      2.4 - 2.48GHz    <br> Working Distance     393.7 " / 10m    <br> Communication Protocol     HS/HF， A2DP， AVRCP， OPP Audio    <br> Driver Unit     40MM    <br> RMS     3W    <br> Frequency     100HZ - 18KHZ    <br> SNR     S/N≥85dB    <br> Impedance     2.6    <br> Distortion     THD≤10% Memory Card    <br> Support     TF Card    <br> Card Reader     Card Reader Function Power    <br> Battery     Built-In Rechargeable Li-on Battery    <br> Stable Voltage     3.7V    <br> Limited Charge Voltage     4.2V Dimensions & Weight    <br> Dimensions     (2.44 x 1.89) " / (6.2 x 4.8) cm (Dia. x H)    <br> Weight     8.32 oz / 236 g      <br>                                                             Package Includes            1 x Wireless Bluetooth Speaker<br>1 x USB Cable<br>1 x User Manual<br>