Kisaragi Earphone Jack Accessories047 Heart -Crystal Golden Shadow (Gold Court) Luxury Swarovski Crystal The color rare that Crystal Golden Shadow. Made in Japan. Designed by Kisaragi. Such as mobile phones. It is a commodity that can be attached to the earphone jack (diameter 3.5 mm).Regardless of manufacturer or series, earphone jack diameter is generally 3.5 mm.3.5mm0.1378inch.