1 computer mini speakers; 2 for MP3,PC,CD,VCD,IPod; 3 home theater systems; 4 earphone shape design. Technical Specifications:Speaker Diameter ... , stereo;Unique Product Features: 1. computer mini speakers; 2. with built-in battery case for DC power supply, 4 pcs, AAA ... socket for 3.5mm jack; 7. light weight design; 8. housings in various different kinds of popular colour styles earphone shape computer ...