HBetterTech Premium Black and White Dock Vedio & Audio Connector Extender Extension Cable for Iphone 4 4S 3g/s Ipod/Ipad Work from a distance while the iPadTM charges. package included:1 pcs of black Sync Extension Cable and 1pcs of white Sync Extension Cable. Sync/Charge cable with 30-pin connectors, also compatible with some models of iPhoneTM and iPodTM. Support charger, transfer audio and vedio.