The Hamilton Electronics HA5USBM starts with Hamilton's HA-5M headphone with built-in microphone and adds integrated USB Sound. Use these headphones with any USB-equipped computer. New soft leatherette style washable, replaceable ear cushions, new easier-to-wear lighter design with swivel ear-cups and soft coil, 3 meter long cord (almost 10 feet!) all contribute to longer fatigue-free use. Now in easy to mark medium gray colors.

Specifications:

• Built-in Microphone
• USB 2.0 Compliant
• Impedance: 170 ohms
• Speaker drivers: 57mm cobalt magnet type
• Headphone frequency response: 18-20k Hz
• 3 Meter Cord
• Windows 7, Vista and XP Compatible (Latest service packs recommended)
• Mac OSX Compatible (Latest updates recommended)
• User friendly volume controls
• Durable leatherette ear pads
• One (1) year warranty.