1.Connect the speaker to a computer using the USB cable included
2.Use the Windows media player or any AV Player of the computer to playback media files, then the sound will come from the mini speaker.
3.Either use the computer system volume control slider to adjust the volume, or you can also directly control the volume within the media player.
* USB Audio DSP (Digital signal processing) Technology
Simply connect the USB cable to a PC, the computer will install driver software automatically. No 3.5mm line-in cable is required anymore, because there is a built-in digital sound card inside the speaker.
Light aluminium body
Output: 6W (3Wx2 RMS)
Driver Units: Active
Power Supply: USB 5V
Dimension: W74 * D50* H53 mm
Computer OS: Windows (XP, Vista, 7), Mac OS X (10.4 or higher)
USB or DC 5V power supply
ONE PAIR OF Mini Speaker with USB cable in BLACK