Labtec® Go™ 440   The Go™ 440 is the ultimate headphone in the Go series.  Like other Go headphones, it has a comfortable, wide headband for great fit and a sturdy, durable design for active use.  This model features an in-line volume control switch for added convenience and extra large earphones for superior sound.  The standard Go features combined with the added benefits of the volume control and superior sound make the Go 440 the ultimate choice for active music lovers.   Features: Volume control for convenient adjustments Quality audio for portable use Adjustable headband for unsurpassed comfort Tangle-free single-side cord Specifications: Impedance: 32Ohms Shielded Cord: 4' Single Side Frequency Response: 20-20,000 Hz Mylar Drivers: 27mm Cone Driver Magnet: An-isotropic Headband Features: Click, Wide Support Stereo Plug: Gold-plated