Widely Usages: Headphone extension cable extends the use area for your devices. This female to male aux extension cord connects MP3 players, cellphones, tablets, or other devices with a 3.5 mm aux port to headphones, earphones, speakers, car stereos, or home theater systems. Durable Nylon Braided: Braided with nylon and TPE dual material, the cable withstands over 15,000 bend tests, ensuring long-term durability and reliable performance. Designed for easy plug-and-unplug use without removing your phone or tablet case. Advanced Build Quality: Features a 24K gold-plated connector and solid copper shielding for improved conductivity and oxidation resistance, delivering stable transmission and high sound quality. Important Notes: The 3.5 mm aux extension cable does not support inline volume control on headphones. When using TRRS headphones (4-pole), it will work but the microphone function will not operate. This cable is designed for TRS (3-pole) connections only. Astonishing Sound Quality: Equipped with a high-purity copper core and dual shielding, the 3.5 mm extension cable transmits audio without static or interference, minimizing signal loss and delivering clear, immersive sound from your music player to your headphones or speakers.