3.5mm stereo audio jack and plug(fitting most cellphone and tablet), 1 Male to 2 Female. For distributing 1 audio output signal into 2(e.g. two headphones connecting to one cellphone) or mixing 2 audio sources into 1 (e.g. two players connecting to one recorder). Gold plated jack and plug, extremely corrosion resistant and conductive, minimum signal loss. 5cm cord, not including heads. High quality Oxygen Free Copper (OFC) conductors ensure pure music transmission. Flexible and durable cord, no worry even bending in 180 degree. 10K times bending test passed! To headphones with remote controller, remote won't work, sound works flawlessly. 2-Year Warranty directly from Zeskit This light weight Zeskit audio splitter is an convenient kit for audio splitting to two speakers or headphones. No matter when you are listing to the music, watching movie on mobile device or playing game on Nintendo Switch or other devices, you can share the sound with other with this little buddy, especially when you are on a plane or a train, where you want to use headphones. By connecting two Zeskit audio splitter together, you can have 3 female ports for headphones, meaning 3 people listening as the same time. As long as the output source is powerful enough, you can have as many as you like. This splitter can also work as an audio combiner/mixer. When the 2 females port connecting to audio sources and the male port connecting to input device, it mix the audio.