How to work with a "combo" audio jack

A combo audio jack replaced separate microphone and headphone jack with one jack on laptops. How do you now use both at once, or plug a sound source into your laptop? I figured it out! So I demonstrate it. Find this useful? Click the SUBSCRIBE button, lots more to come!

• #education
• #janossy
• #combo
• #audio
• #jack
• #microphone
• #headphone