This headset is ONLY compatible with below models of C I S C O telephone. Not compatible with 7911 7912.
C i s c o 7940, 7941, 7942, 7945
C i s c o 7960, 7961, 7962, 7965
C i s c o 7970, 7971, 7972, 7975
C i s c o 6911, 6921, 6912, 6965
C i s co 89xx
C i s c o 7821 7841 7861
Other C I S C O model telephone, please contact me or leave a message, thank you!

The telephones are not included in the parcel.
- Noise-cancelling microphone filters out background noise, so voice transmission is exceptionally clear.
- flexible boom allows the mic to be positioned for optimal comfort and voice transmission. Swing-away feature lets you move the mic out of the way for beverage breaks
- Single-ear styling makes it easy to monitor activity in the area, and interact with co-workers.
Headset Key Features:
1. Acoustic shock protection circuit
2. Flexible goose neck mic boom
3. Adjustable headband
4. Direct with RJ45 or RJ09 plug
5. Replaceable soft foam or soft leatherette ear pad optional
6. Speaker Diameter: 28mm
7. Impedance 150ohm
8. Frequency Response 300-4K Hz
9. Distortion: Less than 1%
10. Sensitivity: 115dB ± 3dB/mwat1KHz
11. Omni directional microphone
12. Frequency response: 100-3000Hz
13. Impedance: 22000 ohm
14. Sensitivity:-36dB ± 2dB
Headset Detailed Showing:
RJ9 pug for C ISCO IP phone
';