You Will Get More: MillSO offers 24*7 friendly customer service, 18-month Extend Warranty & Lifetime Technical Support for our 1/8 female to female headphone extension cable to ensure your pleg shopping experience. Quadruple-Layer Shielding: This 3.5mm audio cable female to female perfectly combined tinned coppers, aluminum foil, and soft and durable PVC covers, its high-density shielding protection and effective isolation, offer a full and delicate tone, highly restored quality sound. Qualified 3.5mm aux female to female adapter: 24K gold-plated connectors ensure high stability, high-speed lossless transmission; metal housing is a wear-resistant, anti-corrosion, and solid protection; tin-plated oxygen-free copper wiring for high fidelity, pure sound quality. Plug and Play: MillSO 3.5mm female to female audio cable is very portable and has a quick response, tight connection, and flexible connect two 3.5mm male port. (Please notice that the devices you use for should also have a stereo TRS jack. Transfer audio between devices, no mic.). MillSO female to female 3.5mm aux cord is compatible with all digital devices with standard 3.5mm aux jack and AUX-in port, such as headphones, car stereo, or home HiFi stereo sound system.