UGREEN 3.5mm Audio Stereo Y Splitter Cable 3.5mm Male to 2 Port 3.5mm Female for Earphone and Headset Splitter Adapter (White) This 3.5mm audio splitter allows you to connect 2 headphones or speakers simultaneously Great for sharing:with the Headphone splitter,allow to share music,movies,games with kids or friends Fit for all 3.5mm audio devices:Compatible with iPhone,iPod,Samsung,Blackberry,Tablets,mp3,laptops 100% bare copper conductor eliminates signal loss and enhance cable performance Cable Length: 20CM; 18 month warrany & lifetime product support. Important Notes: If you use TRRS headphones (4-conductor) with this extension cable, the audio will work but the Mic won't.It also does NOT work with the inline volume control on the headphone.