- Color: Black<br />- Material: Plastic + copper<br />- Gold-plating jack<br />- Optical fiber square interface to 3.5mm round interface adapter<br /><br />                                                                                                                                Dimensions: 0.39 in x 0.31 in x 1.10 in (1.0 cm x 0.8 cm x 2.8 cm)<br />Weight: 0.18 oz (5 g)<br /><br />