What it does Connects two pairs of headphones to one device with a single 3.5 mm jack so two people can listen simultaneously with synchronized sound. Why you need it Eliminates the hassle of passing earbuds while sharing music, movies, or game audio. Plugandplay design requires no drivers or setup, so you get immediate, stable audio sharing on the devices you already own. Key benefits Simple sharing: Link two sets of headphones quickly for private, simultaneous listening. Wide compatibility: Works with any device that has a standard 3.5 mm audio port, including smartphones, tablets, and PCs. Clean audio: Builtin quality chip delivers stable, lossless audio transmission and reduces signal interference for better listening clarity. Portable design: Compact Ushaped structure is lightweight and easy to carry, ideal for travel or onthego sharing. Important attributes Function: 2output headphone splitter for synchronized audio playback Compatibility: Any device with a standard 3.5 mm audio port (mobile phones, PCs, tablets) Performance: Stable, lossless transmission with interference reduction thanks to the internal audio chip Size/portability: Ushaped compact form for convenient storage and transport Practical use scenarios 1. Travel: Watch a movie on a tablet with a friend on a plane or train without disturbing others. 2. Social listening: Share music or podcasts from a smartphone at a café or outdoor gathering. 3. Gaming or study: Two players or study partners listen to the same audio source on a laptop or desktop without extra setup. This audio splitter provides an easy, reliable way to share quality sound between two headphones while staying compact and simple to use.