You really deserve this S09 3.0+EDR Bluetooth Stereo Headphone with Hands-free Calls Function which is featured by elegnat and fashionable appearance, excellent performanceand multifunction. It can connect all devices with Bluetooth function to play music and enable you to enjoy wonderful songs. The built-in high capacity lithium battery features long service time and standby time. With high technology and fine workmanship, it provides you with high definition, high fidelity and stereo tone quality. What is more, with built-in microphone, it supports hands-free calls, very convenient and practical! Never let this opportunity go!<!--Features --><p>FEATURES</p><UL><LI>Provide you with pure and high performance tone quality</LI><LI>Sponge earmuff is soft and comfortable to wear</LI><LI>Wide head frame design conforms to ergonomics</LI><LI>Digital voice reduction technology ensures clear calls</LI><LI>With microphone, volume and content switch function</LI><LI>Retractable frame can meet your tightness easily</LI><LI>Elegant and fashionable appearance</LI></UL><!--Specifications --><p>Specifications</p><TABLE class=ke-zeroborder border=0 cellSpacing=0 cellPadding=0 width="100%"><TBODY><TR><TD width=131>Model</TD><TD width=365>S09</TD></TR><TR><TD width=131>Material</TD><TD width=365>Plastic</TD></TR><TR><TD width=131>Color</TD><TD width=365>Black &amp; Blue</TD></TR><TR><TD width=131>Dimensions</TD><TD width=365>(5.11 x 5.70 x 1.37) " / (13 x 14.5 x 3.5) cm (L x W x H)</TD></TR><TR><TD width=131>Weight</TD><TD width=365>1.02 oz / 29 g</TD></TR><TR><TD width=131>Frequency Range</TD><TD width=365>20-25000Hz</TD></TR><TR><TD width=131>Bluetooth Version</TD><TD width=365>3.0 + EDR</TD></TR><TR><TD width=131>Bluetooth Working Range</TD><TD width=365>＋10m</TD></TR><TR><TD width=131>Distortion</TD><TD width=365>0.01%</TD></TR><TR><TD width=131>Talk Time</TD><TD width=365>up to 10hrs</TD></TR><TR><TD width=131>Music Play Time</TD><TD width=365>up to 10hrs</TD></TR><TR><TD width=131>Charging Voltage</TD><TD width=365>USB 5V</TD></TR><TR><TD width=131>Working temperature</TD><TD width=365>-15 ≧-55 ≧</TD></TR><TR><TD width=131>Speaker Diameter</TD><TD width=365>7 (Φmm)</TD></TR><TR><TD width=131>Frequency Response</TD><TD width=365>10Hz-20000Hz</TD></TR><TR><TD width=131>Transmission speed</TD><TD width=365>57~723kb/s</TD></TR><TR><TD width=131>Sensitivity</TD><TD width=365>115 (dB)</TD></TR><TR><TD width=131>Impedance</TD><TD width=365>32Ω</TD></TR></TBODY></TABLE><!--Package Includes --><p>Package Includes</p><UL><LI>1 x Bluetooth Stereo Headphone</LI><LI>1 x USB Cable</LI></UL><!--Extra Info --><p>Extra Info</p><P><IMG alt="" src="http://www.image-tmart.com/info_images/S09-1.jpg"> <BR><IMG alt="" src="http://www.image-tmart.com/info_images/S09-2.jpg"> <BR><IMG alt="" src="http://www.image-tmart.com/info_images/S09-3.jpg"> <BR><IMG alt="" src="http://www.image-tmart.com/info_images/S09-4.jpg"> </P><!--produts_compatibility -->