A lightweight and very inexpensive headset/mike combination...  ideal for hands-free telephones and dictation.
Plug the super-comfortable HM 402Vs into your telephone or use them with your voice-recognition software. Also perfect for call centers. In-line volume control lets you adjust the volume easily.

Features:
Professional stereo headphone with soft foam ear pads and adjustable headband. Features in-line volume control.

Frequency Response:
Microphone: 20Hz-16KHz
Headphone: 20Hz-18KHz

Sensitivity:
Microphone: -54dB+/-3dB at 1KHz
Headphone: 92dB SPL

Impedance:
Microphone: 2K Ohms
Headphone: 32 Ohms

Total Harmonic Distortion:
Microphone: <0.5%
Headphone: <0.5%

Shielded cord length: 6'

warranty information