SimplyVibe SV-X6U1-White Rechargeable Portable Multifunctional Speaker and MP3 & FM Player (works w/ iPod, iPad, iPhone, Android Devices) - Accepts USB Drives and SD Cards
Recommend spending a little bit more and getting a lot more functionality. Great sound from the FM, MP3 and attached to iPad and laptops. Give your laptops speakers and your ears a break. Move up. Small and the batteries are rechargeable.