... 4.In stock LED Crystal Apple Mini USB Computer Speaker Specification:1.Color: green, Red2.Product interface: 3.5mm line3.Power: 2*3W4 ... panels, works perfectly fine. Simple,stylish, compact.2.using USB power supply3.mellow sweet timbre, transparent clear. Pure sound quality ... .4.applies a variety of requirements, which can be accessed by PC, notebook, mobilephone, MP3, MP4 Pocket television and other ...