Dear JMWant Seller:
Please note. JMW QC will do for sealing products unpacking check the quality, representing indeed responsible for the customer. So after unpacking check will simply sealed in opened by location, and shows a stick LABEL JMW QC PASSED SIGN 2012, please know .

ipod headphones shape speakers, 500X headphones!
Product Dimensions: 22X 24 X 11cm
Products Power: Battery, USB-powered dual
USB interface No external power supply, independent volume control operation more convenient
Built-in stereo power amplifier, easy to carry
For notebook and desktop computers; MP3; MP4 etc.
product manual:
1, built-in stereo amplifier.
2, with volume control
3, put the maximum volume will not be changed or broken sound phenomenon tone
4 Magnetically shielded speakers will not interfere with computer!
Many people have used ipod; ipod headphones, but would be so big you seen it in fact it is the shape of a pair of headphones ipod speaker oh cool bar he used USB interface Power no external power supply;?!! You can also use a battery-powered ; and independent volume control box ipod modeling; operation more convenient; for notebook and desktop computers; MP3; MP4 etc.
