Solid Metal Construction;'t ever. Nor any scratchiness or wobble in use. Gold-plating resists corrosion and ensures the cleanest sound experience possible. Improved Contact Transits Signal Better. Keeps sound clear with NO static or noise. Snug fit provides a strong positive connection. Pass stereo sound through with NO quality loss. Easy to Plug and Unplug. 6.35mm to 3.5mm stereo adapters fit snugly on male and female connections. Allow a 6.35mm (1/4 inch) stereo port to accept a stereo cable with a 3.5mm (1/8 inch) plug. Compatible with most pro audio and home audio equipment. grip treads for keyboard, guitar, amplifiers, mixing console, home theater devices or AV receivers. up the volume and even knows how loud it is Material:ABS Size:Length 5.5cm Colour:Gold+Black : 6 Pcs Package Contents: 6 x Stereo Earphone Adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.