Ricco MD3 MINI DSP 2.0 CHANNEL Ultra Light Aluminium USB Portable Travel Speaker For Laptop Desktop MAC Computer Netbook ---(Built-in DSP USB Sound Card, NO messy 3.5mm audio line-in cable is required any more.) (1xBLACK)

Technical Details

• Latest SB Audio DSP (Digital signal processing) Technology, No more 3.5mm audio-in cable
• Compatible with Any Laptop/Desktop Computer with USB Port, PC and MAC compatible Computer OS: Windows (XP, Vista, 7), Mac OS X (10.4 or higher)
• Convenient Power Source: 5V USB Self Powered
• Very Light aluminium body, Total Weight only 250g. Dimension: 74mm??50mmx53mm
• Powerful Output: 6W (RMS), S/N Ratio=79dB,Impedance:4 ohms, Frequency:80Hz-20kHz.