• MillSO audio splitter cable with 2 male 3.5 mm connectors to 1 female 3.5 mm connector • Suitable for connecting two headphones or two speakers simultaneously to an MP3 player, mobile phone, laptop, or tablet • Allows sharing music, movies, or games with another person • Makes it easy to connect two audio sources to a speaker or headphones without having to switch cables • 24K gold-plated connectors, sapphire blue metal housing, and soft PVC coating to protect against oxidation and corrosion • Maximum conductivity, durability, and lossless sound transmission • Solid copper inner conductor and high-quality film shielding for pure audio signal and minimal loss • Only supports audio transmission, no microphone function • Does not allow playback of two different audio sources at the same time; volume may vary depending on the output power of the connected devices • Headphone functions such as "Play," "Stop," "forward," or "rewind" cannot be controlled from the cable • The output volume of two different source devices must be adjusted separately