This iMBAPrice product is a 3.5mm female stereo jack to 3.5mm female adapter. Use this wonderful product to connect other 3.5mm devices to 2.5mm inch devices. This adapter works great for hooking up 3.5 mm headphones to speakers or audio mixers. The adapter itself is black colored with a nickel plated connector. The nickel plating will prevent corrosion while ensuring fine audio quality.