White Color Sync data Extension Extender Dock Cable for iPhone 4/4S/3GS/iPod Nano Classic Touch Compatible With: iPhone 3G 3GS 4G 4S, iPod Nano, iPod Classic, iPod Touch Connector 1: iPod/iPhone 30-pin connector male Connector 2: iPod/iPhone 30-pin connector female Connects your phone to the docking station Length : 1M