Combine material together, which ensure this 3.5mm male to female audio extension cable have more better sound signal transmission performance. One of the for those . Long size design make you use it more easily in your daily time. Feature - Color: Black. - Material: Aluminum Alloy+TPE+Fiber+Copper Wire. - Size: 300 x 2.8 x 0.75 - wire core, aluminum alloy shell make this 3.5mm male to female audio extension cable of choice for those . - Caution: Connected earphone only have listen function, do not have extra microphone function. - Premium sound quality for music: material means low transmission loss, ensure reliable performance and minimal signal loss and seamlessly transmits stereo audio for sound. - 3 Meters long size , make you use it more freely and easily. - Wide compatibility: Compatible with all devices with 3.5mm audio jack or AUX-in port, such as , iOS and other devices. - Enable you enjoy your music conveniently with this extension cable. - Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 1 x Extension Cable