ChenYang Black Dual 3.5mm Male to Single Female Headphone Microphone Audio Splitter Cable for Cell Phone & Tablet & Laptop Dual 3.5mm Male to Single Female Headphone Microphone Audio Splitter Cable for Cell Phone &amp; Tablet &amp; Laptop Convert two 3.5mm female plug to single 3.5mm female jacks You can plug one Speaker &amp; one Microphone into 3.5mm output of any audio devices like iPod, MP3 player, MP4 player, Cell phone,PC, etc. Interface: 3.5mm to 3.5mm Apple iPhone, iPod, ,iPad All MP3, phones have 3.5mm audio jack