The black iLuv SmashBox Pro Portable Stereo Speaker Case for Smartphones provides you with a protective case and enhanced audio for your smartphone or music player, wherever your path takes you. It has built-in speakers and an integrated mic, making it perfect for hands-free calling. External buttons give you control over your calls and music playback. Connect it to the 3.5mm jack on your device, and slip it into the case for all-day protection. Built to accompany you even during your most adventurous excursions, the case can be clipped to a belt, backpack or bike using the hanging clip, carabiner or touch-fastener strap. And perhaps best of all, it"s easy to keep your SmashBox Pro going; all you need are two AA batteries!