Kisaragi Earphone jack accessories033 Clover - (Emerald + peridot) Luxury Swarovski Crystal 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. Swarovski Crystal (Emerald + peridot) Kisaragi japan is the manufacturer. Manufacturer =It is the lowest price. Made in Japan.Designed by Kisaragi.