1.Over the Head, On the Ear Design Stereo Headset

2.Sound Chip Built-in Enable This Device to Work with Computer had no Sound Card
3.Control on the Cable for Easy Volume, and Mute Control

4.LED indicator for power and micro mute
5.Windows 7 /Vista /Windows XP /Windows ME /Windows 2000 /Windows 98SE Impedance:
32 O

Directivity:
Omnidirectional

Speaker:
40 mm Sensitivity:
108 dB

Frequency Response:
20 Hz - 20,000 Hz Rated Power:
100 mW

Microphone Unit:
9 x 7 mm at 58 (+-) 2 dB Package Includes :
USB Stereo Headset with Microphone Item Dimension (L"xW"xH"):
8.5 x 11.5 x 3.5

Weight:
4.00 lb

Warranty Information
1 Year