Material; plastic, ABS. Product Name: TPC audio adapter cable adapter connector TPC male to a 3.5MM female package size (length * width * height) 12x 8x 2 cable shape round plug diameter 3.5mm / 0.14 "total length (about) 15cmProductTypeForYW audio video Interface line description: There is a 3.5mm female audio distributor that can be used in any place where 3.5mm female jacks can be used. Suitable for microphone addition (input) and PC/notebook audio (output) to connect headphones and external speakers simultaneously computer