A: Yes, you can use standard headphones, if they utilize a 3.5mm stereo mini jack connector and meet the requirements listed below.
Here are detailed specification requirements for the connection and headphones:
3.5mm Stereo Jack Socket (For Headphone / Microphone combination)
Headset Impedance 24ohms 100mW(min)
Microphone Level -45.2 dB
Pin definition:
Tip: Microphone
Ring: Speaker
Sleeve: Ground
