Do you still bear that some beautiful speakers with poor quality and short standby time? Do you still bear that speakers with single function? This S28 Portable Mini Metal Bluetooth Speakers, which has Bluetooth, TF card, radio, audio playing, hands-free calls and other functions. The international advanced decoding chip will offer you the best sound quality, so it is the best choice for listening to music or watching movies. With Hands-free phone function that can release your hands, just touch the answer key, then you can easily enjoy high-definition voice, and will not affect driving. Ultra low power output, long time battery life, and meet your daily requirements, which allows you to listen music while driving. Strong functional speaker just need low price, you worth it!<!--Features --><p>FEATURES</p><UL><LI>Portable size for convenience</LI><LI>Support TF card</LI><LI>Support mobile phone/laptop/tablet PC</LI><LI>Expanded bass expansion system drives a fuller richer low-end response</LI><LI>Larger 45mm driver delivers precise highs for superb sound</LI><LI>Built in rechargeable battery, charged by computer via USB interface</LI><LI>Compatible with iPad / iPad2 / New iPad / iPad Mini etc.</LI></UL><!--Specifications --><p>Specifications</p><TABLE class=ke-zeroborder border=0 cellSpacing=0 cellPadding=0 width="100%"><TBODY><TR><TD width=131>Brand</TD><TD width=365>N/A</TD></TR><TR><TD width=131>Model</TD><TD width=365>S28</TD></TR><TR><TD width=131>Colour</TD><TD width=365>Black</TD></TR><TR><TD width=131>Material</TD><TD width=365>Metal</TD></TR><TR><TD width=131>Output Power</TD><TD width=365>3W</TD></TR><TR><TD width=131>Speaker Unit</TD><TD width=365>43mm Dual Voice Coil Speaker &amp; Low Frequency Amplifier</TD></TR><TR><TD width=131>Storage Type</TD><TD width=365>Supports TF Card up to 16G(max)</TD></TR><TR><TD width=131>Battery Capacity</TD><TD width=365>500mA Lithium Battery（Built-in）</TD></TR><TR><TD width=131>Supported Formats</TD><TD width=365>MP3</TD></TR><TR><TD width=131>USB Size</TD><TD width=365>USB2.0 Compatible USB1.1</TD></TR><TR><TD width=131>Wireless Connection</TD><TD width=365>Bluetooth 3.0 + EDR</TD></TR><TR><TD width=131>Smart Connect</TD><TD width=365>Smart Bluetooth Connectivity</TD></TR><TR><TD width=131>Radio Function</TD><TD width=365>Yes</TD></TR><TR><TD width=131>Bluetooth Distance</TD><TD width=365>10M</TD></TR><TR><TD width=131>Rated Impedance</TD><TD width=365>4ohm</TD></TR><TR><TD width=131>Frequency Response</TD><TD width=365>280Hz-16KHz</TD></TR><TR><TD width=131>Signal to Noise</TD><TD width=365>95dB</TD></TR><TR><TD width=131>Distortion</TD><TD width=365>0.5%</TD></TR><TR><TD width=131>Battery Charging Voltage</TD><TD width=365>5V</TD></TR><TR><TD width=131>Battery Charger Time</TD><TD width=365>2 hour</TD></TR><TR><TD width=131>Dimensions</TD><TD width=365>(2.24 x 1.97 x 2.24)" / (5.7 x 5 x 5.7)cm (L x W x H)</TD></TR><TR><TD width=131>Weight</TD><TD width=365>5.49oz / 155.5g</TD></TR></TBODY></TABLE><IMG alt="" src="http://www.image-tmart.com/info_images/86013631-31_릴굶.jpg"><IMG alt="" src="http://www.image-tmart.com/info_images/86013631-32_릴굶.jpg"><IMG alt="" src="http://www.image-tmart.com/info_images/86013631-33_릴굶.jpg"><IMG alt="" src="http://www.image-tmart.com/info_images/86013631-34_릴굶.jpg"><IMG alt="" src="http://www.image-tmart.com/info_images/86013631-35_릴굶.jpg"><!--Package Includes --><p>Package Includes</p><UL><LI>1 x Mini Bluetooth Speakers</LI><LI>1 x Audio and USB Charging Cable (46cm)</LI></UL><!--Extra Info --><!--produts_compatibility -->