3.5mm 4pole dc plug for earphone 1.nickel plating, diameter4.5mm,lengh 24.2mm . 2. ROHS REACH ... DC plug,copper rod (59%), 4.5mm tray,total lengh 24.2mm nickel plating,3.5mm 4pole dc plug for ... is about 350°C±10°C, 3-5 seconds 4.. Save under room temperature in dry area 5.Every ... products are in high quality,competitive price,prompt delivery. 4.Samples can be provide for free for reasonable quantity. ...