Portable mini computer Speakers (1),Dual full-range speaker,mp3/PC/CD support (2),USB power supply Portable mini computer Speakersa. Dual full-range speakersb. Power output: 2 x 1.5Wc. Use 3.5mm audio cable input connects to all types of portable PC, MP3, cell phone, CD player etc.Dimension: 75(W) x 105(H) x 75(D) mm