CY Black Dual 3.5mm Male to Single Female Headphone Microphone Audio Splitter Cable for Cell Phone & Tablet & Laptop You can plug one Speaker & 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.Convert two 3.5mm female plug to single 3.5mm female jacks - Apple iPhone, iPod, ,iPad ; - Samsung Galaxy S2 S3 S4 NOTE1 NOTE2 NOTE3 serial - Nexus One, HTC Hero, HTC HD2; - All MP3, phones have 3.5mm audio jack Dual 3.5mm Male to Single Female Headphone Microphone Audio Splitter Cable for Cell Phone & Tablet & Laptop