INSULATION RESISTANCE:
・A voltage of 500V D.C. shall be applied to the terminals, after which measurement shall be made. 
・A gauge for the measurement shall be used the insulated gauge.
CONTACT RESISTANCE:
・30mΩ or less
VOLTAGE PROOF:
・500V AC for one minute
DURABILITY:
・10,000 insertion/removal cycles (minimum)
INSERTION FORCE:
・0.4KGF ~ 2.0KGF
WITHDRAWAL FORCE:
・0.4KGF ~ 2.0KGF
WATER PROOFNESS:
・This product conforms to JIS standard IPX7 by waterproof jack
USING PLUG:
・Ø3.5MM, 4-pole stereo earphone (LCH/RCH/GND/MIC) provided that they conform to JIS C6560
O-RING ASSEMBLY AREA:
・To maintain smoothness, shall have no burrs