Audiovox CDM-9950 / CDM-9950SP pinouts
The connector/pinout information may be applied to the Audiovox model CDM-9950 / CDM-9950SP
Universal Cell Phone 3-pole (mono) headset connector pinout cordless/cell phones headset/handsfree cable connector
MRLG 4-pole 2.5mm headset connector pinout MRLG pinout