Male to Female 100cm Data Sync & Charge Cable for iPad 2 / iPad / iPhone 4 / iPhone 3G / iPhone 3GS / iPod Touch / Apple iPod All Generations High Speed Data Transfer Sync And Charging, Works As Extension Cable or With Regular Apple Dock. Cable Length = 100cm = 40 Inches. Dock 30-Pin Male Connector to 30-Pin Female Connector. The Cable Can Not Compatible for Audio Control to Connect with iHome, Sony or Other Docking Stations, Just for Data Transfer Sync & Charge. The Cable Can Compatible with iPhone 4, iPhone 3GS, iPhone 3G, iPad, iPad 2, iPod Classic, iPod Touch, Apple iPod All Generations.