Dock Extender Data Sync Charge Cable for iPod iPad iPhone 3GS 4 4G 4S (Support Audio/Video Transfer) - Black 30 inner pin cords inside, include audio, video, sync, charger pin. Compatable with all iphone model and ipod(except ipod shuffle). Charge iphone ipod, listen to music, watch movie and transfer data, sync via other function cable. High speed data transfer and sync, Support charger,sync data,audio/video transfer, HDMI on iphone/ipod/ipad. Not Support the Digital Audio and Video, such as ipad/ iphone, ipod to HDMI output.