Threads do not screw all the way in. You will see remaining threads. Seal is black at end of threads.
Don't over tighten not necessary.
90 degree plug has internal o-rings and has been filled with silicone to make water proof.
1/8" gold plated pin for best signal transfer.
Ear buds rated for 10 feet underwater
They are 48'' total length
If you have any questions at all, please message me before purchasing.