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1. Inclined plane design, convenient operation, prevent noisemicrophones, high-definition voice communication.
2. 5 level of LCD contrast adjustment.
3. Ringer of outside and inside option function, you can adjustthe incoming bell freely.
4. 2.5mm recorder connector and RJ-11 crystal headset connectormake your training or recording perfect.
5.62 Groups of received call and 16 groups of dialed callmemories.
6. Caller ID FSK/DTMF compatible with auto detection.
7. VIP set function, prevent delete telephone number.
8. 16-digit LCD dialing display, electronic calendar andincoming backlight function, let you be clear to theinformation.
9. Have the filtrated function for the local districtnumber.
10. You would be more familiar with your cell by the workindicator and the mute indicator.
11. No need for extra AC or DC power for telephoneoperation.
BN 220 Headset Telephone