The Hamilton Electronics HA-66USBSM starts with Hamilton's HA-66M headphone with built-in microphone and adds integrated USB Sound. Use these headphones with any USB-equipped computer.
- USB 2.0 Compliant
- Impedance: 32 Ohms
- Frequency Response 20 - 20,000 Hz
- Speaker drivers: 40mm Mylar
- Headphone frequency response: 18 - 20 Hk
- Microphone -Electret Condenser, Omnidirectional Pickup
- Soft leatherette style washable ear cushions
- Windows 7, Vista and XP Compatible (Latest service packs recommended)
- Mac OSX Compatible (Latest updates recommended)
- One (1) year warranty.