A headset is a headphone combined with a microphone. Headsets provide the functionality of a telephone with hands-free operation. Headsets typically have one or two speakers.
- PalmOne Treo 650, 700, 755p and Centro headset / handsfree diagram 4 conductor diagram
- PalmOne Treo headset schematic for PalmOne Treo 650, Treo 700w, 750v, Tungsten T5, E2, TX, 680, LifeDrive and others?
