... ; 2.Comfortable all-inclusive probe covers, 1Earphone,mp3 ,compute,pc, headset,Neckband,headphone Mic Dimensions Ø6.0X3.0mmSensitivity -40dB±3dBlmpedance ≤2 ... Plug Diameter Ø3.5mmCord Length 2.3metersNet Weight Appr.30g Human engineering design and high quality materials make the headset comfortable for ...