... size with room filling sound 2.3.5mm audio plug ,connects to Ipod 1. Cute Active hifi mini portable notebook speaker in colour ... /mp4/iphone, Mini USB speaker ,Work with all sound source with 3.5 audio interface product like : MP3 ,Computer ,mobile phone ,CD ... sound2.Single USB connector (no external audio plug) getting power from computer, built-in USB control ,sound card decoder ,and the digital ...