Now enjoy your iPod music collection along with your buddies on picnics. iOdeum Portable Speaker is a decent pick to be attached with iPhones/iPods. The sleek look goes equally well with both sophisticated and faddish looking handsets. Though the sound quality is not very impressive, it gives a pretty befitting output with its retractable resonator. The size is just as much as to easily slip into your pocket. Available in a handful of colors, the iOdeum Portable Speaker costs $35. You can buy it from DS Styles.