The plug is gold-plated, with good contact performance and is not easy to oxidizeThe metal shell is electroplated, beautiful and durable, and anti-interference.The wire is made of all-copper conductors and double-layered shielding, which can effectively resist interference, reduce noise, and high-fidelity sound quality.3.5mm plug with thread locking. Compatible with for BMPCC for C-series camerasProduct Usage:Can be used for BMPCC series cameras with mini XLR microphone interface, for C70 camera, connect wireless microphone receiver, for example: for C70 camera is connected with UWP-D21 wireless microphone receiver.Product material:3.5mm plug: copper gold plated, copper plated black shellMINI Plug: Gold-plated contacts, gold-plated copper front, pearl-nickel-plated copper rearWire: 24AWG all-copper conductor, with aluminum foil + copper wire winding + fiber protection outer netWire outer diameter: 5.0MMColour:black+gold+silverMaterial:Braided mesh + gold plating + copper wireSize:Length: about 30cmPackage Contents:1 x Audio CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.