The DuKabel Advantage: Oxygen-Free-Copper Conductor for optimal audio transmission, Thick 24K Gold-Plated Jack for eliminates signal loss and static noise, Fine Braided Cable for stylish-look and extra resistant-protection , and Slim design for secure-fit without taking off cases. Back by DuKabel 18-Month hassle-free warranty. Slim design: Fits inside most tablet and cell phone cases. Find Braided Cable surface provides extra protection to your cable, and add more stylish-look to your must-have gadgets. For wide-ranging use: Compatible with most portable audio devices, Phones, Samsung, most MP3 players, tablets, computers, headphones, TVs and home and vehicle stereos and other devices with an auxiliary jack. Plug & Play: No software required. Easily connect 2 pairs of headphones to a single 3.5mm mini jack with this DuKabel adapter that is compatible with most devices with a 3.5mm mini connector, including most portable audio devices, phones and tablets. 2-way splitter: Lets you share stereo audio with dual headphones or earphones. Also supports to connect 2 external speakers to create your own DIY surround sound system!.