Wide compatibility to play audio from any mobile phone, tablet, iPod, laptop or other media playback device through headphones, high fidelity sound or car stereo system (suitable for standard 3.5mm aux port). Support 3.5mm devices, such as smart phones, tablets, headphones,PCs, etc. Seamlessly transmit stereo audio for high quality sound while ensuring reliability and reducing signal loss and noise. This male to male adapter plugs into a female stereo connection on each end When you have to add cables. This makes it easy to carry around.