Generic 3.5mm Plug Jack Audio Stereo Headset Splitter Cable Female to 2 Dual Male Turns a 3.5mm Combo Headphone/Microphone Port into Two Distinct Ports: One 3.5mm Headphone Jack and One 3.5mm Microphone Port Allows you to connect your smart phone earphone with PC, Tablet Suitable for any computer with 3.5mm jacks Allows the Use of Older Audio Accessories with Newer Computers Applications That Require Portability, and Takes up Very Little Space in Your Laptop Bag