Material; plastic, metal. Product Name: Apple earphone charging two-in-one double female T-shaped adapter adapter connector Apple male to 1 apple female and one apple, package size (L * W * H) 15x 8x 2 Shape: T-shaped, Total length ProductTypeForYW Audio Video Adapter Description: Apple can charge a mobile phone or tablet. One charging and one Apple audio distributor can be compatible in any place where the Apple female jack can be used. Suitable for microphone addition (input) and PC/laptop audio (output) Connect headphones and external speakers to the computer at the same time