Specification: Features:_x000D_1. For devices with 3.5mm interface such as mobile phones, tablets, laptops, desktop computers, digital cameras, mp3, mp4, etc. _x000D_2. Aluminum alloy shell has strong anti-interference, and it is wear - resistant and durable._x000D_3. This audio jack supports earphone with a microphone._x000D_4. Used as an extension of the headphone cable, and it is easy to plug in._x000D_5. Ideal for use in car radio systems to connect your phone or MP3 Iphone players._x000D__x000D_Specification:_x000D_Material: aluminum alloy_x000D_Interface: 3.5 male to female_x000D_Size: 28 x 26 x 10mm / 1.1 x 1.0 x 0.4in_x000D_Weigth: Approx. 8g_x000D__x000D_Packing List:_x000D_2 * 3.5mm Audio Adapter Features: 1For devices with 3.5mm interface such as mobile phones, tablets, laptops, desktop computers, digital cameras, mp3, mp4, etc. 2Aluminum alloy shell has strong anti?interference, and it is wear ? resistant and durable 3This audio jack supports earphone with a microphone 4Used as an extension of the headphone cable, and it is easy to plug in 5Ideal for use in car radio systems to connect your phone or MP3 Iphone players PackageList: