Portable Speakers To GoTo enjoy music without limit, Genius presents new portable speakers not seen before, SP-i160. You can enjoy music anywhere for up to eight hours with the built-in battery. SP-i160 uses an advanced flexible structure with a 1.25” metal driver to make the sound broader than speakers on a notebook. Charging is simpleJust plug it into the USB port of a PC/Notebook. No adapter is necessary, SP-i160 can play music with any Notebook, Netbook, iPod, MP3/MP4 player and CD player that has a 3.5mm audio plug. For other applications, SP-i160 has a mini jack converter that can be used with audio devices with a 2.5mm socket. Features include a power on/off, quick charge USB cable and a pouch for storage.