MODEL- AC-645 VENDOR- CYBER ACOUSTICS

FEATURES- Neckband Speech Recognition Headset- Silver, Retail package
This certified headset/mic offers the most in comfort, features
and performance.
Neckband style with volume/mute control.
* In-line mute and volume control
* Amplified noise canceling microphone element
* Comfortable neckband design
* Stereo headset
* Flexible microphone arm
* 7' sheilded cord
* Gold plated plugs

-- SPECIFICATIONs -------------------------------------
DRIVERS - 27mm dynamic drivers
CONNECTORs- 3.5mm gold plated plugs
MICROPHONE- Output : -67dBV/microbar, -47dBV/pascal +/- 4dB
Power voltage : 1.5v
IMPEDANCE - Headphone : 32 ohms
Microphone : 680 ohms
FREQUENCY RESPONSE- Headset: 20