... nickel plated, POM plastic, tray size 4.5mm, tray thickness, headphone 4 pole audio plug, 2.5 dc male connector ... plug nickel plated, POM plastic, tray size 4.5mm, ... tray thickness 2.0mm, 20.8L, headphone 4 pole audio plug,2.5 ... 29 items 3. Admittance: no shorting, no breaking 4. Tin soldering: temperature is about 350°C±10 ...