Logitech Pure-Fi Anywhere 2 Compact Docking Speakers for iPod and iPhone (Black) Supports iPhone 3G, 4/4S and all iPod models with included dock connector Enjoy your music longer with a 10-hour rechargeable battery and a battery-level indicator Control your iPod and browse your content from anywhere in the room Doubles as an iPod and iPhone charger so you won't run out of juice StereoXL technology widens the stereo image dramatically, creating an immersive audio experience