... is very simple, connecting PC or Notebook with USB, 3.5mm stereo plug to the headphone. Sometimes the little part brings our ... connector: 2.0 / 1pcsAudio Jack: 3.5mm stereo / 1pcs for mic, 1pcs for headphoneCase: high grade plasticSize: 5.3 x 2.4 ... including R/D, tooling development, plastic injection, color spray & painting, cable soldering, testing, assembly, packing…we take every step in our ...