Headset Telephone

Model: CDX-303

Features:

Clear and excellent sound reproduction quality

FSK/DTMF auto switch

62 group Caller ID record

16 group outgoing call record

3 group 12 digit speed dialing 

100/300/600/1000ms flash time option 

Auto answer function

Music on hold 

5 levels of LCD contrast adjustment

12 digits of incoming call display

15dB volume control

External and internal ring music option,

Incoming call LED indicator

RJ-11 and 2.5mm  headphone jack