Features:

• Remote Control
• Compatible size: iPod Nano, Mini 4GB/6GB, iPod shuffle, iPod 15GB/20GB, iPod video 30GB/60GB.
• Recharge: USB charging, USB download charging, independent charging.
• Compatible with CD player, PC/MAC, MP3 player, MP4 player, DVD player
• Mute function
• Suitable for: iPod, Sonny Ericsson mobile phone, MP3 player and so on.

Specifications :

• Power supply: battery(aa1.5v*4),dc 5v(USB cable for pc),
  or ac power adaptor cord(output 6v, 600ma)
• Speaker unit: 50mm *2w*2+ 52mm *3w*1(4ohms)
• Output power: 2w*2+3w*1(1 kHz 10% THD)
• Frequency response: 150 Hz-20 kHz