Sound Beyond Size! The iHM79 is the perfect stereo speaker system for your iPod, iPhone, iPad, Macbook or any Laptop and MP3 player. These compact speakers attach magnetically in a capsule shape for ultimate portability, then separate and extend for surprisingly big stereo sound that must be heard to be believed. Features two amplified speakers with built-in rechargeable batteries, vacuum bass expansion, USB charging, and comes with a protective carrying case.