This USB 2.0 male to 2.5 male DC charging cable is perfect for the devices that use the 2.5mm jack. Via this cable、 you can connect your mp3、 mp4 etc electronic devices to your PC or USB charger. This USB cable?is a perfect solution for?your Electrical/Digital Device that requires power?supply from USB Port.<br /><br />                                                                                                                                Dimensions: 23.62 in x 0 in x 0 in<br />Weight: 0.74 oz