Features:
• Integrated 2.0 Stereo System -- two 3W speakers
• Ultra-silent cooling fan
• Foldable speakers for easy storage
• Powered by your notebook through a USB cable. USB2.0 full speed compatible.
• No audio cables and additional drivers needed.
• Control Center: Power On/Off, Volume & Bass control, 5-Mode Preset Sound Selection
• Compatible with Win98 SE/ Win ME/ Win 2000/ Win XP/ Win Vista and MAC OS9/OSX
• Suitable for all notebooks

Specifications:
• Dimensions -- 320 x 225 x 25mm
• Weight -- 1.5kg G.W.
• Fan
-- RPM: 1500
-- CFM: 28
-- Noise Level: 25dbA
• 2.0 Stereo Speakers
-- Amplifier: Class D
-- Speakers: 3W each
-- Rated Impedance: 8Ω
• Power
  -- USB Bus Power
• Packaging
  -- Paper box
  -- Includes: 2ft standard USB to mini USB cable, 3.5ft 3.5mm MP3 cable