... 5mm, tray thickness, headphone 4 pole audio plug, 2.5 dc male connector plug nickel plated, POM plastic, ... 4.5mm, tray thickness 2.0mm, 20.8L, headphone 4 pole audio plug,2.5 dc male connector plug: ... 1. Materials: copper rod (59%), POM plastic (POM-450 Japan) 2. Environmental ... temperature is about 350°C±10°C, 3-5 seconds 5. Save under room temperature in dry area 6 ...