Use headphones for conversation

[embo32]

How do I use my headphones to have a conversation if there is only one socket on the laptop and the headphones have one plug for microphone and one plug for speaker?

 

[ak47jar3d]

SaiTech 3.5mm Stereo Jack Splitter Cable Adapter For ipod, Mp3 Player, Mobile Phone, Laptop, PC, Headphone Speakers - 3.5mm Male to 2 X Female - Gold Plated Connectors - Innovative Headset Splitter Adapter breaks the Audio Port Out into Two Distinct Ports - One that can be used For a Microphone Connection, and the Other for Connecting External Speakers or use both Output for External Speakers - White https/www.amazon.com/dp/B00MGEJ9DC/ref=cm_sw_r_other_awd_zrNfwbGK33BFJ