Gift box included</br></br>Product Description</br></br>Wearing styles: Ear Function: Microphone Earphones?? Noise Cancelling Earphones Type: Wired Whether the microphone: Yes Plug Diameter: 3.5mm Earphones plug type: straight type Pin: 3.5mm quadrupole lily white ring Cable length: 1.25M Earphones output audio source: communication equipment?? simply repeating audio?? PC computer Cable length: 1.25M Sensitivity: 105 +/- 2 dB S.P.L. at 1000 Hz Speaker diameter: 9MM Impedance: 16 ohms</br><br/>http://www.amazon.com/gp/product/B01JW8TD80