TEAC's DSH01-S Digital Docking Station for the iPhone, iPad and iPod is an Apple certified product that connects your compatible devices to your TEAC system. Aside from docking your player this docking station provides automatic charging to prevent the loss of battery power in your iPhone, iPad and iPod device. The DSH01-S conveniently acts as a charging station when it's connected to your device - regardless of whether it's playing or not. Never again worry that your music will end once your battery life does. Your battery will always be as strong as it was when you started, or stronger - no matter how long your playlist or listening session lasts.