iRhythms A-9900 Active Noise Canceling Headphone

Truly the ultimate way you listen to your iPod! Active noise canceling technology make these great for travel - the performance is unparalleled. Main FeaturesManufacturer: Cyber Acoustics, LLCManufacturer Part Number: A-9900Manufacturer Website Address: www.cyberacoustics.comProduct Type: HeadphoneConnectivity Technology: Cable Earpiece Technology: DynamicDesign Type: Over-the-head