Features:<br />- 2.5mm male to smartphone 3.5mm female. End to end is 160 mm long. <br />- Fit for 3.5mm plug on iPhone 3G/3GS， Blackberry Curve/Storm/Bold， Motorola Droid， Palm Pre， Palm Pixi， etc.<br />- Phone headset to iPhone/Blackberry/Smartphone adapter <br />- Reduce electromagnetic radiation (EMR) caused by cell phones and bluetooth headsets <br />- Stereo-channel enabled when your 2.5mm headset is stereo enabled<br />Length: about 160 mm<br />Function: 2.5 mm male to 3.5 mm female<br />1 x Audio cable adapter converter<br /><img src="http://img6.eachbuyer.com/x21/p25/bi012_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p25/bi012_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p25/bi012_3.jpg" />