allows you to connect wirelessly up to 35 feet away. Easy to pair - No code / pin needed.<br>● <B>Premium Sound with Bass Enhance Technology</B>. Two powerful 45mm speakers and <B>Enhanced Bass Resonator</B> deliver crisp clean sound with deep bass.<br>● <B>Built-in Rechargeable Battery</B> for up to 3 - 5 hours of playtime(deponds on volume). Great sound for music, movies, games and gatherings.<br>● Compatible with <B>Bluetooth enabled</B> media player, phone, iPod, iPad, Android devices; Equipped with a <B>3.5mm audio jack</B> for non-Bluetooth devices; <B>USB 2.0 </B>slots allow to play music from external U-disk.<br>● <B>LED Display with FM Radio, Clock and Alam Clock Functions</B>. Support <B>Micro SD Card or TF Card</B> insert and play.<br><img src="http://des.chinabrands.com/uploads/2015/201506/heditor/201506231417183449.jpg" alt="SARDiNE SDY019 Wireless Bluetooth Speaker Double Loudspeaker Pure Stereo Sound with USB TF Card Slot FM Alarm Clock Functions" /><br><img src="http://des.chinabrands.com/uploads/2015/201506/heditor/201506231417185902.jpg" alt="SARDiNE SDY019 Wireless Bluetooth Speaker Double Loudspeaker Pure Stereo Sound with USB TF Card Slot FM Alarm Clock Functions" /><br><img src="http://des.chinabrands.com/uploads/2015/201506/heditor/201506231417182714.jpg" alt="SARDiNE SDY019 Wireless Bluetooth Speaker Double Loudspeaker Pure Stereo Sound with USB TF Card Slot FM Alarm Clock Functions" /><br><img src="http://des.chinabrands.com/uploads/2015/201506/heditor/201506231417189711.jpg" alt="SARDiNE SDY019 Wireless Bluetooth Speaker Double Loudspeaker Pure Stereo Sound with USB TF Card Slot FM Alarm Clock Functions" /><br><img src="http://des.chinabrands.com/uploads/2015/201506/heditor/201506231417193267.jpg" alt="SARDiNE SDY019 Wireless Bluetooth Speaker Double Loudspeaker Pure Stereo Sound with USB TF Card Slot FM Alarm Clock Functions" /><br><img src="http://des.chinabrands.com/uploads/2015/201506/heditor/201506231417192654.jpg" alt="SARDiNE SDY019 Wireless Bluetooth Speaker Double Loudspeaker Pure Stereo Sound with USB TF Card Slot FM Alarm Clock Functions" />                 <strong>Brand:</strong> SARDiNE <br />             <strong>Model:</strong> SDY019 <br />             <strong>Design:</strong> Stylish <br />             <strong>Supports:</strong> TF Card Music Playing, FM, Hands-free Calls, Bluetooth <br />             <strong>Compatible With:</strong> iPod, iPhone, MP3, Laptop, MP4, Tablet PC, MP5, TF/Micro SD Card, Mobile Phone <br />             <strong>Connection:</strong> Wireless <br />             <strong>Interface:</strong> 3.5mm Audio, USB2.0, Micro USB, TF Card Slot <br />             <strong>Audio Source:</strong> Electronic Products with 3.5mm Plug, U-disk, Bluetooth Enabled Devices, TF/Micro SD Card <br />             <strong>Color:</strong> White, Red, Multi-color, Blue, Black                               <strong>Bluetooth Version:</strong> Bluetooth 2.1 <br />             <strong>Transmission Distance:</strong> W/O obstacles 10m <br />             <strong>Driver Unit:</strong> 45mm <br />             <strong>Speaker Impedance:</strong> 3 ohm <br />             <strong>Power Output:</strong> 5W x 2 <br />             <strong>Freq:</strong> 80Hz-20KHz <br />             <strong>Sensitivity:</strong> 80dB <br />             <strong>S/N:</strong> 90dB <br />             <strong>Distortion:</strong> 0.03% (line out) <br />             <strong>FM Radio Frequency:</strong> 87.6 - 108MHz                               <strong>Power Source:</strong> Battery <br />             <strong>Charging Voltage:</strong> DV5V / 500mA <br />             <strong>Working Voltage:</strong> 3.3V - 4.2V <br />             <strong>Lasting Time:</strong> 3 - 5 hours <br />             <strong>Battery Capacity:</strong> 1500mAh                               Array             <strong>Package weight:</strong> 0.727 kg <br />             <strong>Product Size (L x W x H):</strong> 24.0 x 5.5 x 6.0 cm / 9.43 x 2.16 x 2.36 inches <br />             <strong>Package Size (L x W x H):</strong> 29.5 x 8.5 x 7.5 cm / 11.59 x 3.34 x 2.95 inches                               <strong>Package Contents:</strong> 1 x SARDiNE SDY019 Ultra Slim Wireless Bluetooth Speaker Dual Loudspeaker Hi-Fi Stereo Sound with MIC 3.5MM Jack USB TF Card Slot Support Alarm Clock Hands-free Calls FM Radio, 1 x USB Charging Cable, 1 x 3.5MM Audio Cable, 1 x Bilingual Manual in English and Chinese