You can also flip through album covers, search for music, or save internet radio stations that suit you. The optional iPhone remote app allows you to control the Olive 4 media streamer from anywhere in your home. The Olive 4 media streamer is designed to easily fit into existing hi-fi systems, and has a plug in and play design (requiring no software installation or computer). The USB 2.0 interface allows you to save music files to an external hard drive. This media streamer differs from the lower cost Olive O3HD media streamer in that the O3HD can hold only 1,500 CDs (as opposed to 6,000). There are color options available for the Olive 4 media streamer.