1MM thickness wire. Made to OEM spec. Perfect thickness to fit inside your Solo2 Wired headphones. Wire will be pre cut to perfect length. Wire is made for the Solo2 beats. We have both black and gray internal wires in stock. 

- 2 core wire, made to fix your right side not working on a Solo2 WIRED headphones. 

- Gray Color 

- Internal wire part

Professional installation recommend.