Sony ICFCS15IP 30-Pin iPod/iPhone Speaker Dock (Black) (Discontinued by Manufacturer) Rich, clear sound stereo speakers deliver a robust and enjoyable listening experience with rich bass tones. Charge your iPod or iPhone while you listen while docked to help you avoid a drained battery.1 Compatible with most iPod and iPhone models, including iPhone 4. Flexible dock connector that is designed for easy connectivity without the need for special adaptors, so you can just plug and play, even with your phone case attached. Sony Sound enhancements MEGA BASS mode enhances bass response while Mega Xpand expands your music sound field at the push of a button.