Creative TravelDock Speakers for Zen Micro Portable 1-piece speaker design provides pure, powerful sound with four high precision NeoTitanium micro drivers Wireless remote lets you control your Zen Micro and Zen MicroPhoto from up to 26 feet away Line-in connector lets you connect TravelDock Zen Micro to any portable audio device Listen to your favorite radio stations with FM antenna cable Runs on 4 AA batteries for up to 25 hours of playback